{"openapi":"3.1.0","info":{"title":"License Intel","version":"1.0.0","description":"Look up, search, parse and compare open-source licenses from the SPDX list and plain-language rules. One call, one computed answer, no accounts or API keys. Machine-payable over x402.","x-guidance":"License Intel: Look up, search, parse and compare open-source licenses from the SPDX list and plain-language rules. License Intel: /license-lookup, /license-search, /license-expression-check, /license-compare, /license-obligations, /license-family, /osi-approved, /license-exception, /deprecated-check Each paid GET returns a computed verdict with the reasons, the source and what was NOT checked. A verdict of UNVERIFIED means a lookup failed: treat it as unknown. No account or key: pay per call in USDC over x402."},"servers":[{"url":"https://license-intel.x402tookit.com"}],"paths":{"/deprecated-check":{"get":{"operationId":"deprecated_check","summary":"Check a list of license ids against SPDX: current, deprecated or unknown, with the modern GNU -only / -or-later form.","description":"Check a list of license ids against SPDX: current, deprecated or unknown, with the modern GNU -only / -or-later form.","tags":["license","spdx","deprecated","audit"],"parameters":[{"name":"ids","in":"query","required":true,"description":"License ids separated by commas, up to 50, for example GPL-2.0,MIT,Apache-2.0","schema":{"type":"string"}}],"responses":{"200":{"description":"The answer.","content":{"application/json":{"schema":{"type":"object","properties":{"verdict":{"type":["null","string"]},"summary":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"results":{"type":["array","null"],"items":{"type":"object","properties":{"id":{"type":["null","string"]},"status":{"type":["null","string"]},"canonicalId":{"type":["null","string"]},"suggested":{"type":["null","string"]}}}},"deprecatedCount":{"type":["null","number"]},"unknownCount":{"type":["null","number"]},"listVersion":{"type":["null","string"]},"attribution":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"source":{"type":["null","string"]},"sourceUrl":{"type":["null","string"]},"asOf":{"type":["null","string"]},"disclaimer":{"type":["null","string"]}}},"example":{"verdict":"ATTENTION","summary":"5 id(s): 2 current, 2 deprecated, 1 unknown; deprecated: GPL-2.0 -> GPL-2.0-only, GPL-2.0+ -> GPL-2.0-or-later.","reasons":["License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).","Since SPDX 3.0 the bare GNU ids (GPL-2.0, LGPL-2.1+, ...) are deprecated in favour of -only and -or-later.","…1 more"],"results":[{"id":"GPL-2.0","status":"deprecated","canonicalId":"GPL-2.0","suggested":"GPL-2.0-only"},{"id":"GPL-2.0+","status":"deprecated","canonicalId":"GPL-2.0+","suggested":"GPL-2.0-or-later"}],"deprecatedCount":2,"unknownCount":1,"listVersion":"3.29.0","attribution":"License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).","degraded":false,"notChecked":["whether an old project meant -only or -or-later when it wrote a bare GNU id: the suggested form follows the SPDX convention, so confirm in the project's own license header","licenses outside the SPDX list"],"source":"SPDX License List + Choose a License","sourceUrl":"https://spdx.org/licenses/","asOf":"2026-10-11T14:39:34.394Z","disclaimer":"Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting."}}}},"400":{"description":"A parameter was missing or out of range."},"402":{"description":"Payment Required"},"502":{"description":"The upstream source failed or timed out."}},"x-payment-info":{"price":{"mode":"fixed","currency":"USD","amount":"0.0200"},"protocols":[{"x402":{"network":"eip155:8453","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/deprecated-check"}},{"x402":{"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/deprecated-check"}},{"x402":{"network":"eip155:137","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/deprecated-check"}},{"x402":{"network":"eip155:42161","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/deprecated-check"}}]}}},"/license-compare":{"get":{"operationId":"license_compare","summary":"Compare two open-source licenses side by side: what each permits, requires and disclaims, and which is stricter.","description":"Compare two open-source licenses side by side: what each permits, requires and disclaims, and which is stricter.","tags":["license","compare","copyleft","open-source"],"parameters":[{"name":"a","in":"query","required":true,"description":"First SPDX license id, for example MIT","schema":{"type":"string"}},{"name":"b","in":"query","required":true,"description":"Second SPDX license id, for example GPL-3.0","schema":{"type":"string"}}],"responses":{"200":{"description":"The answer.","content":{"application/json":{"schema":{"type":"object","properties":{"verdict":{"type":["null","string"]},"summary":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"a":{"type":["null","object"],"properties":{"id":{"type":["null","string"]},"title":{"type":["null","string"]},"family":{"type":["null","string"]}}},"b":{"type":["null","object"],"properties":{"id":{"type":["null","string"]},"title":{"type":["null","string"]},"family":{"type":["null","string"]}}},"stricter":{"type":["null","string"]},"permissions":{"type":["null","object"],"properties":{"shared":{"type":["array","null"],"items":{"type":"string"}},"onlyA":{"type":["array","null"]},"onlyB":{"type":["array","null"],"items":{"type":"string"}}}},"conditions":{"type":["null","object"],"properties":{"shared":{"type":["array","null"],"items":{"type":"string"}},"onlyA":{"type":["array","null"]},"onlyB":{"type":["array","null"],"items":{"type":"string"}}}},"limitations":{"type":["null","object"],"properties":{"shared":{"type":["array","null"],"items":{"type":"string"}},"onlyA":{"type":["array","null"]},"onlyB":{"type":["array","null"]}}},"attribution":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"source":{"type":["null","string"]},"asOf":{"type":["null","string"]},"disclaimer":{"type":["null","string"]}}},"example":{"verdict":"DIFFERENT_FAMILY","summary":"MIT (permissive) vs GPL-3.0 (strong-copyleft): GPL-3.0 is stricter. Duties only in MIT: none; only in GPL-3.0: State changes, Disclose source, Same license.","reasons":["License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).","Family ranks: public-domain-like, permissive, weak copyleft, strong copyleft, network copyleft.","…1 more"],"a":{"id":"MIT","title":"MIT License","family":"permissive"},"b":{"id":"GPL-3.0","title":"GNU General Public License v3.0","family":"strong-copyleft"},"stricter":"GPL-3.0","permissions":{"shared":["Commercial use","Modification","…2 more"],"onlyA":[],"onlyB":["Patent use"]},"conditions":{"shared":["License and copyright notice"],"onlyA":[],"onlyB":["State changes","Disclose source","…1 more"]},"limitations":{"shared":["Liability","Warranty"],"onlyA":[],"onlyB":[]},"attribution":"License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).","degraded":false,"notChecked":["whether the two licenses can be combined in one project: compatibility is a legal question this does not answer","license text, exceptions and jurisdiction-specific effects","…1 more"],"source":"computed locally","asOf":"2026-10-11T14:39:34.651Z","disclaimer":"Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting."}}}},"400":{"description":"A parameter was missing or out of range."},"402":{"description":"Payment Required"},"502":{"description":"The upstream source failed or timed out."}},"x-payment-info":{"price":{"mode":"fixed","currency":"USD","amount":"0.0200"},"protocols":[{"x402":{"network":"eip155:8453","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-compare"}},{"x402":{"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-compare"}},{"x402":{"network":"eip155:137","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-compare"}},{"x402":{"network":"eip155:42161","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-compare"}}]}}},"/license-exception":{"get":{"operationId":"license_exception","summary":"Look up an SPDX license exception id such as Classpath-exception-2.0: its name, links and deprecated status.","description":"Look up an SPDX license exception id such as Classpath-exception-2.0: its name, links and deprecated status.","tags":["license","spdx","exception","gpl"],"parameters":[{"name":"id","in":"query","required":true,"description":"SPDX exception id, for example Classpath-exception-2.0","schema":{"type":"string"}}],"responses":{"200":{"description":"The answer.","content":{"application/json":{"schema":{"type":"object","properties":{"verdict":{"type":["null","string"]},"summary":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"exceptionId":{"type":["null","string"]},"name":{"type":["null","string"]},"deprecated":{"type":["boolean","null"]},"reference":{"type":["null","string"]},"seeAlso":{"type":["array","null"],"items":{"type":"string"}},"listVersion":{"type":["null","string"]},"attribution":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"source":{"type":["null","string"]},"sourceUrl":{"type":["null","string"]},"asOf":{"type":["null","string"]},"disclaimer":{"type":["null","string"]}}},"example":{"verdict":"FOUND","summary":"Classpath-exception-2.0 is \"Classpath exception 2.0\"; used as: LICENSE WITH Classpath-exception-2.0.","reasons":["License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0)."],"exceptionId":"Classpath-exception-2.0","name":"Classpath exception 2.0","deprecated":false,"reference":"https://spdx.org/licenses/Classpath-exception-2.0.html","seeAlso":["http://www.gnu.org/software/classpath/license.html","https://fedoraproject.org/wiki/Licensing/GPL_Classpath_Exception"],"listVersion":"3.29.0","attribution":"License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).","degraded":false,"notChecked":["the exception's actual wording and which base licenses it may be paired with","legal effect in your case"],"source":"SPDX License List + Choose a License","sourceUrl":"https://spdx.org/licenses/","asOf":"2026-10-11T14:39:34.950Z","disclaimer":"Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting."}}}},"400":{"description":"A parameter was missing or out of range."},"402":{"description":"Payment Required"},"502":{"description":"The upstream source failed or timed out."}},"x-payment-info":{"price":{"mode":"fixed","currency":"USD","amount":"0.0200"},"protocols":[{"x402":{"network":"eip155:8453","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-exception"}},{"x402":{"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-exception"}},{"x402":{"network":"eip155:137","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-exception"}},{"x402":{"network":"eip155:42161","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-exception"}}]}}},"/license-expression-check":{"get":{"operationId":"license_expression_check","summary":"Validate an SPDX license expression (AND, OR, WITH, +): syntax, known ids, known exceptions and deprecated identifiers.","description":"Validate an SPDX license expression (AND, OR, WITH, +): syntax, known ids, known exceptions and deprecated identifiers.","tags":["license","spdx","expression","validation"],"parameters":[{"name":"expression","in":"query","required":true,"description":"An SPDX expression, for example MIT OR (Apache-2.0 AND BSD-3-Clause)","schema":{"type":"string"}}],"responses":{"200":{"description":"The answer.","content":{"application/json":{"schema":{"type":"object","properties":{"verdict":{"type":["null","string"]},"summary":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"expression":{"type":["null","string"]},"licenses":{"type":["array","null"],"items":{"type":"object","properties":{"id":{"type":["null","string"]},"status":{"type":["null","string"]},"canonicalId":{"type":["null","string"]},"plusOnDeprecated":{"type":["boolean","null"]},"osiApproved":{"type":["boolean","null"]},"name":{"type":["null","string"]}}}},"exceptions":{"type":["array","null"],"items":{"type":"object","properties":{"id":{"type":["null","string"]},"status":{"type":["null","string"]},"canonicalId":{"type":["null","string"]},"name":{"type":["null","string"]}}}},"operators":{"type":["array","null"],"items":{"type":"string"}},"warnings":{"type":["array","null"]},"listVersion":{"type":["null","string"]},"attribution":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"source":{"type":["null","string"]},"sourceUrl":{"type":["null","string"]},"asOf":{"type":["null","string"]},"disclaimer":{"type":["null","string"]}}},"example":{"verdict":"VALID","summary":"Valid SPDX expression; 2 licenses, operators: WITH, OR.","reasons":["License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).","OR means the recipient may choose; AND means all apply; WITH adds an exception to one license."],"expression":"GPL-2.0-or-later WITH Classpath-exception-2.0 OR MIT","licenses":[{"id":"GPL-2.0-or-later","status":"valid","canonicalId":"GPL-2.0-or-later","plusOnDeprecated":false,"osiApproved":true,"name":"GNU General Public License v2.0 or later"},{"id":"MIT","status":"valid","canonicalId":"MIT","plusOnDeprecated":false,"osiApproved":true,"name":"MIT License"}],"exceptions":[{"id":"Classpath-exception-2.0","status":"valid","canonicalId":"Classpath-exception-2.0","name":"Classpath exception 2.0"}],"operators":["WITH","OR"],"warnings":[],"listVersion":"3.29.0","attribution":"License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).","degraded":false,"notChecked":["what the expression means legally: AND/OR do not tell you which terms you may choose","LicenseRef-* and DocumentRef-* custom identifiers (accepted by form, not resolved)","…1 more"],"source":"SPDX License List + Choose a License","sourceUrl":"https://spdx.org/licenses/","asOf":"2026-10-11T14:39:35.213Z","disclaimer":"Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting."}}}},"400":{"description":"A parameter was missing or out of range."},"402":{"description":"Payment Required"},"502":{"description":"The upstream source failed or timed out."}},"x-payment-info":{"price":{"mode":"fixed","currency":"USD","amount":"0.0300"},"protocols":[{"x402":{"network":"eip155:8453","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-expression-check"}},{"x402":{"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-expression-check"}},{"x402":{"network":"eip155:137","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-expression-check"}},{"x402":{"network":"eip155:42161","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-expression-check"}}]}}},"/license-family":{"get":{"operationId":"license_family","summary":"Classify up to 30 license ids by strength: public-domain-like, permissive, weak copyleft, strong copyleft or network copyleft.","description":"Classify up to 30 license ids by strength: public-domain-like, permissive, weak copyleft, strong copyleft or network copyleft.","tags":["license","copyleft","permissive","classification"],"parameters":[{"name":"ids","in":"query","required":true,"description":"SPDX ids separated by commas, e.g. MIT,GPL-3.0,MPL-2.0","schema":{"type":"string"}}],"responses":{"200":{"description":"The answer.","content":{"application/json":{"schema":{"type":"object","properties":{"verdict":{"type":["null","string"]},"summary":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"results":{"type":["array","null"],"items":{"type":"object","properties":{"id":{"type":["null","string"]},"matched":{"type":["null","string"]},"family":{"type":["null","string"]},"rank":{"type":["null","number"]}}}},"strictest":{"type":["null","object"],"properties":{"id":{"type":["null","string"]},"family":{"type":["null","string"]}}},"attribution":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"source":{"type":["null","string"]},"asOf":{"type":["null","string"]},"disclaimer":{"type":["null","string"]}}},"example":{"verdict":"CLASSIFIED","summary":"MIT: permissive; Apache-2.0: permissive; MPL-2.0: weak-copyleft; GPL-3.0: strong-copyleft; AGPL-3.0: network-copyleft. Strictest: AGPL-3.0 (network-copyleft).","reasons":["License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).","Family is derived from the license's conditions: network use duty, same-license duty, same-license for files or libraries only, notices only, or none.","…1 more"],"results":[{"id":"MIT","matched":"MIT","family":"permissive","rank":1},{"id":"Apache-2.0","matched":"Apache-2.0","family":"permissive","rank":1}],"strictest":{"id":"AGPL-3.0","family":"network-copyleft"},"attribution":"License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).","degraded":false,"notChecked":["whether combining these licenses in one product is allowed","licenses outside the Choose a License snapshot, which are reported as unclassified, not as safe","…1 more"],"source":"computed locally","asOf":"2026-10-11T14:39:35.476Z","disclaimer":"Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting."}}}},"400":{"description":"A parameter was missing or out of range."},"402":{"description":"Payment Required"},"502":{"description":"The upstream source failed or timed out."}},"x-payment-info":{"price":{"mode":"fixed","currency":"USD","amount":"0.0200"},"protocols":[{"x402":{"network":"eip155:8453","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-family"}},{"x402":{"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-family"}},{"x402":{"network":"eip155:137","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-family"}},{"x402":{"network":"eip155:42161","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-family"}}]}}},"/license-lookup":{"get":{"operationId":"license_lookup","summary":"Look up an SPDX license id: name, OSI and FSF status, deprecated flag, links, and plain-language permissions and duties.","description":"Look up an SPDX license id: name, OSI and FSF status, deprecated flag, links, and plain-language permissions and duties.","tags":["license","spdx","osi","open-source"],"parameters":[{"name":"id","in":"query","required":true,"description":"SPDX license identifier, for example MIT or Apache-2.0","schema":{"type":"string"}}],"responses":{"200":{"description":"The answer.","content":{"application/json":{"schema":{"type":"object","properties":{"verdict":{"type":["null","string"]},"summary":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"licenseId":{"type":["null","string"]},"name":{"type":["null","string"]},"osiApproved":{"type":["boolean","null"]},"fsfLibre":{"type":["boolean","null"]},"deprecated":{"type":["boolean","null"]},"reference":{"type":["null","string"]},"seeAlso":{"type":["array","null"],"items":{"type":"string"}},"listVersion":{"type":["null","string"]},"family":{"type":["null","string"]},"permissions":{"type":["array","null"],"items":{"type":"string"}},"conditions":{"type":["array","null"],"items":{"type":"string"}},"limitations":{"type":["array","null"],"items":{"type":"string"}},"overview":{"type":["null","string"]},"attribution":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"source":{"type":["null","string"]},"sourceUrl":{"type":["null","string"]},"asOf":{"type":["null","string"]},"disclaimer":{"type":["null","string"]}}},"example":{"verdict":"FOUND","summary":"Apache-2.0 is \"Apache License 2.0\", OSI approved, FSF libre; family: permissive.","reasons":["License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).","Identifier is current on the SPDX list.","…1 more"],"licenseId":"Apache-2.0","name":"Apache License 2.0","osiApproved":true,"fsfLibre":true,"deprecated":false,"reference":"https://spdx.org/licenses/Apache-2.0.html","seeAlso":["https://www.apache.org/licenses/LICENSE-2.0","https://opensource.org/license/apache-2.0"],"listVersion":"3.29.0","family":"permissive","permissions":["Commercial use","Modification","…3 more"],"conditions":["License and copyright notice","State changes"],"limitations":["Trademark use","Liability","…1 more"],"overview":"A permissive license whose main conditions require preservation of copyright and license notices. Contributors provide an express grant of patent rights. Licensed works, modifications, and larger work…","attribution":"License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).","degraded":false,"notChecked":["the full license text and any project-specific exceptions or dual-licensing","legal effect in your jurisdiction","…1 more"],"source":"SPDX License List + Choose a License","sourceUrl":"https://spdx.org/licenses/","asOf":"2026-10-11T14:39:35.738Z","disclaimer":"Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting."}}}},"400":{"description":"A parameter was missing or out of range."},"402":{"description":"Payment Required"},"502":{"description":"The upstream source failed or timed out."}},"x-payment-info":{"price":{"mode":"fixed","currency":"USD","amount":"0.0200"},"protocols":[{"x402":{"network":"eip155:8453","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-lookup"}},{"x402":{"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-lookup"}},{"x402":{"network":"eip155:137","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-lookup"}},{"x402":{"network":"eip155:42161","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-lookup"}}]}}},"/license-obligations":{"get":{"operationId":"license_obligations","summary":"Plain-language checklist for a license: what you may do, what you must do when you distribute, and what is disclaimed.","description":"Plain-language checklist for a license: what you may do, what you must do when you distribute, and what is disclaimed.","tags":["license","obligations","compliance","open-source"],"parameters":[{"name":"id","in":"query","required":true,"description":"SPDX license id, for example Apache-2.0","schema":{"type":"string"}}],"responses":{"200":{"description":"The answer.","content":{"application/json":{"schema":{"type":"object","properties":{"verdict":{"type":["null","string"]},"summary":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"id":{"type":["null","string"]},"title":{"type":["null","string"]},"family":{"type":["null","string"]},"familyNote":{"type":["null","string"]},"description":{"type":["null","string"]},"permissions":{"type":["array","null"],"items":{"type":"object","properties":{"label":{"type":["null","string"]},"meaning":{"type":["null","string"]}}}},"conditions":{"type":["array","null"],"items":{"type":"object","properties":{"label":{"type":["null","string"]},"meaning":{"type":["null","string"]}}}},"limitations":{"type":["array","null"],"items":{"type":"object","properties":{"label":{"type":["null","string"]},"meaning":{"type":["null","string"]}}}},"whenYouDistribute":{"type":["array","null"],"items":{"type":"string"}},"attribution":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"source":{"type":["null","string"]},"asOf":{"type":["null","string"]},"disclaimer":{"type":["null","string"]}}},"example":{"verdict":"CHECKLIST","summary":"Apache-2.0 (permissive): you may commercial use, modification, distribution, patent use, private use; you must license and copyright notice, state changes; no trademark use or liability or warranty fr…","reasons":["License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).","Conditions are limited to notices and attribution.","…1 more"],"id":"Apache-2.0","title":"Apache License 2.0","family":"permissive","familyNote":"Conditions are limited to notices and attribution.","description":"A permissive license whose main conditions require preservation of copyright and license notices. Contributors provide an express grant of patent rights. Licensed works, modifications, and larger work…","permissions":[{"label":"Commercial use","meaning":"The licensed material and derivatives may be used for commercial purposes."},{"label":"Modification","meaning":"The licensed material may be modified."}],"conditions":[{"label":"License and copyright notice","meaning":"A copy of the license and copyright notice must be included with the licensed material."},{"label":"State changes","meaning":"Changes made to the licensed material must be documented."}],"limitations":[{"label":"Trademark use","meaning":"This license explicitly states that it does NOT grant trademark rights, even though licenses without such a statement probably do not grant any implicit trademark rights."},{"label":"Liability","meaning":"This license includes a limitation of liability."}],"whenYouDistribute":["License and copyright notice: A copy of the license and copyright notice must be included with the licensed material.","State changes: Changes made to the licensed material must be documented."],"attribution":"License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).","degraded":false,"notChecked":["the full license text and any additional notices (NOTICE files, patent clauses) it requires","your specific use: using, modifying and distributing have different duties","…2 more"],"source":"computed locally","asOf":"2026-10-11T14:39:35.996Z","disclaimer":"Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting."}}}},"400":{"description":"A parameter was missing or out of range."},"402":{"description":"Payment Required"},"502":{"description":"The upstream source failed or timed out."}},"x-payment-info":{"price":{"mode":"fixed","currency":"USD","amount":"0.0200"},"protocols":[{"x402":{"network":"eip155:8453","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-obligations"}},{"x402":{"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-obligations"}},{"x402":{"network":"eip155:137","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-obligations"}},{"x402":{"network":"eip155:42161","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-obligations"}}]}}},"/license-search":{"get":{"operationId":"license_search","summary":"Search the SPDX license list by name or id fragment, such as gpl or creative commons, with OSI and deprecated flags.","description":"Search the SPDX license list by name or id fragment, such as gpl or creative commons, with OSI and deprecated flags.","tags":["license","spdx","search","open-source"],"parameters":[{"name":"query","in":"query","required":true,"description":"Part of a license name or id, 2 to 40 characters","schema":{"type":"string"}},{"name":"osiOnly","in":"query","required":false,"description":"yes to show only OSI-approved licenses","schema":{"type":"string"}},{"name":"includeDeprecated","in":"query","required":false,"description":"yes to include deprecated ids (default no)","schema":{"type":"string"}},{"name":"limit","in":"query","required":false,"description":"Results 1 to 50 (default 15)","schema":{"type":"integer"}}],"responses":{"200":{"description":"The answer.","content":{"application/json":{"schema":{"type":"object","properties":{"verdict":{"type":["null","string"]},"summary":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"query":{"type":["null","string"]},"totalMatches":{"type":["null","number"]},"results":{"type":["array","null"],"items":{"type":"object","properties":{"licenseId":{"type":["null","string"]},"name":{"type":["null","string"]},"osiApproved":{"type":["boolean","null"]},"fsfLibre":{"type":["boolean","null"]},"deprecated":{"type":["boolean","null"]}}}},"listVersion":{"type":["null","string"]},"attribution":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"source":{"type":["null","string"]},"sourceUrl":{"type":["null","string"]},"asOf":{"type":["null","string"]},"disclaimer":{"type":["null","string"]}}},"example":{"verdict":"RESULTS","summary":"14 match(es) for \"gpl\"; top: GPL-2.0-only, GPL-2.0-or-later, GPL-3.0-only, GPL-3.0-or-later, AGPL-3.0-only, AGPL-3.0-or-later.","reasons":["License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).","SPDX list version 3.29.0."],"query":"gpl","totalMatches":14,"results":[{"licenseId":"GPL-2.0-only","name":"GNU General Public License v2.0 only","osiApproved":true,"fsfLibre":true,"deprecated":false},{"licenseId":"GPL-2.0-or-later","name":"GNU General Public License v2.0 or later","osiApproved":true,"fsfLibre":true,"deprecated":false}],"listVersion":"3.29.0","attribution":"License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).","degraded":false,"notChecked":["licenses that are not on the SPDX list","which of several similar licenses a project actually uses"],"source":"SPDX License List + Choose a License","sourceUrl":"https://spdx.org/licenses/","asOf":"2026-10-11T14:39:36.266Z","disclaimer":"Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting."}}}},"400":{"description":"A parameter was missing or out of range."},"402":{"description":"Payment Required"},"502":{"description":"The upstream source failed or timed out."}},"x-payment-info":{"price":{"mode":"fixed","currency":"USD","amount":"0.0200"},"protocols":[{"x402":{"network":"eip155:8453","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-search"}},{"x402":{"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-search"}},{"x402":{"network":"eip155:137","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-search"}},{"x402":{"network":"eip155:42161","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/license-search"}}]}}},"/osi-approved":{"get":{"operationId":"osi_approved","summary":"List current OSI-approved SPDX licenses, optionally only FSF-libre ones or those starting with a prefix.","description":"List current OSI-approved SPDX licenses, optionally only FSF-libre ones or those starting with a prefix.","tags":["license","osi","fsf","open-source"],"parameters":[{"name":"prefix","in":"query","required":false,"description":"Only ids starting with this, for example GPL or BSD","schema":{"type":"string"}},{"name":"fsfLibre","in":"query","required":false,"description":"yes to keep only FSF-libre licenses","schema":{"type":"string"}},{"name":"limit","in":"query","required":false,"description":"Results 1 to 200 (default 100)","schema":{"type":"integer"}}],"responses":{"200":{"description":"The answer.","content":{"application/json":{"schema":{"type":"object","properties":{"verdict":{"type":["null","string"]},"summary":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"total":{"type":["null","number"]},"licenses":{"type":["array","null"],"items":{"type":"object","properties":{"licenseId":{"type":["null","string"]},"name":{"type":["null","string"]},"fsfLibre":{"type":["boolean","null"]}}}},"listVersion":{"type":["null","string"]},"attribution":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"source":{"type":["null","string"]},"sourceUrl":{"type":["null","string"]},"asOf":{"type":["null","string"]},"disclaimer":{"type":["null","string"]}}},"example":{"verdict":"RESULTS","summary":"7 current OSI-approved license(s) starting with \"bsd\"; showing 7.","reasons":["License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).","SPDX list version 3.29.0; deprecated ids are excluded."],"total":7,"licenses":[{"licenseId":"BSD-1-Clause","name":"BSD 1-Clause License","fsfLibre":false},{"licenseId":"BSD-2-Clause","name":"BSD 2-Clause \"Simplified\" License","fsfLibre":true}],"listVersion":"3.29.0","attribution":"License list: SPDX (CC0-1.0). Summaries: Choose a License (choosealicense.com, CC BY 3.0).","degraded":false,"notChecked":["OSI's own current list on opensource.org: this reflects the SPDX flag, which can lag a new approval","licenses approved by other bodies"],"source":"SPDX License List + Choose a License","sourceUrl":"https://spdx.org/licenses/","asOf":"2026-10-11T14:39:36.522Z","disclaimer":"Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting."}}}},"400":{"description":"A parameter was missing or out of range."},"402":{"description":"Payment Required"},"502":{"description":"The upstream source failed or timed out."}},"x-payment-info":{"price":{"mode":"fixed","currency":"USD","amount":"0.0200"},"protocols":[{"x402":{"network":"eip155:8453","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/osi-approved"}},{"x402":{"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/osi-approved"}},{"x402":{"network":"eip155:137","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/osi-approved"}},{"x402":{"network":"eip155:42161","scheme":"exact","currency":"USDC","endpoint":"https://license-intel.x402tookit.com/osi-approved"}}]}}}}}