{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11463431","patent":{"patent_number":"US-11463431","title":"System and method for public API authentication","assignee":null,"inventors":[],"filing_date":"2020-05-29T00:00:00.000Z","publication_date":"2022-10-04T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L"],"num_claims":25,"abstract":"A system and method for public API authentication by an API server includes receiving from a client/app a PK request for a Partial Key (PK), having a User ID, Session ID, rolling hash function (Fn2) version defining a client/app hash function (Fn2), and a received Temporary Key (TK); validating the received TK using Fn2 with the Session ID and either an Initial Key (IK) or a current PK; when the TK validation is complete, sending a PK calculated using a PK hash function (Fn1) with the User ID and a slot-generated rolling random number; receiving an API request for an API service having the User ID, Session ID, Fn2 version, and a received Authorization Key (AK); validating the received AK using Fn2 with the Session ID and the current PK; and when AK validation is complete, sending a successful response from the API service."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"System and method for public API authentication","description":"A system and method for public API authentication by an API server includes receiving from a client/app a PK request for a Partial Key (PK), having a User ID, Session ID, rolling hash function (Fn2) v","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11463431","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11463431","citation_suggestion":"Patentable. \"System and method for public API authentication\" (US-11463431). https://patentable.app/patents/US-11463431","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11463431","json":"https://patentable.app/api/llm-context/US-11463431","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:30:32.762Z"}