Every API here is available over the APIs.io API and to AI agents over MCP.
{"openapi":"3.1.0","info":{"title":"GPT-5.5 Local Utility Tools for API.market","version":"1.0.0","description":"Ordinary REST wrapper for deterministic developer utilities intended for API.market source import. These endpoints do not call an LLM, do not spend upstream tokens, and do not fetch arbitrary remote URLs. Commercial access, subscriber authentication, quotas, and billing should be configured in API.market.","x-api-market-positioning":"Use this API Source for low-risk deterministic tools with near-zero upstream cost. LLM chat and web-fetch tools are intentionally excluded from this API.market wrapper."},"servers":[{"url":"https://gpt55.558686.xyz/api-market"}],"tags":[{"name":"utility-tools","description":"Deterministic text, JSON, encoding, hashing, URL parsing, and developer utilities."}],"paths":{"/v1/tools/text-stats":{"get":{"summary":"Count words, lines, bytes, and reading time via query parameters","operationId":"getTextStatsApiMarketGet","tags":["utility-tools","text-stats","word-count","character-count","text-analysis","developer-tool","utility","no-llm"],"description":"Analyze text length, words, lines, sentences, paragraphs, bytes, and estimated reading time without calling an upstream model. This API.market source endpoint is deterministic local compute only and has no upstream token cost. Use API.market pricing plans for subscriber billing and access control.","security":[],"parameters":[{"name":"text","in":"query","required":true,"schema":{"type":"string","minLength":1,"maxLength":20000},"example":"Hello world.\nThis is a short text."}],"responses":{"200":{"description":"Count words, lines, bytes, and reading time","content":{"application/json":{"schema":{"type":"object","properties":{"ok":{"type":"boolean"},"tool":{"type":"string"},"fetchedAt":{"type":"string"},"x402Lead":{"$ref":"#/components/schemas/ApiMarketX402Lead"}},"required":["ok","tool","fetchedAt"],"additionalProperties":true},"example":{"ok":true,"tool":"textStats","chars":34,"bytes":34,"words":7,"lines":2,"sentences":2,"paragraphs":1,"readingTimeMinutes":0.04,"fetchedAt":"2026-06-10T00:00:00.000Z","x402Lead":{"paidChatTier":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5","merchantReadiness":"https://gpt55.558686.xyz/x402/merchant-readiness","x402Discovery":"https://gpt55.558686.xyz/.well-known/x402","trackedPaidChatTier":"https://gpt55.558686.xyz/go/api-market/gpt55-chat-tier","trackedMerchantReadiness":"https://gpt55.558686.xyz/go/api-market/merchant-readiness","trackedX402Discovery":"https://gpt55.558686.xyz/go/api-market/x402-discovery","note":"This API.market utility response is deterministic lead-gen. GPT-5.5 quota-tier chat, high-value seller reports, and merchant-readiness products are discoverable through the unified service hub and x402 discovery."}}}}},"400":{"description":"Invalid input","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}},"429":{"description":"Rate limit exceeded","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}}}},"post":{"summary":"Count words, lines, bytes, and reading time","operationId":"getTextStatsApiMarketPost","tags":["utility-tools","text-stats","word-count","character-count","text-analysis","developer-tool","utility","no-llm"],"description":"Analyze text length, words, lines, sentences, paragraphs, bytes, and estimated reading time without calling an upstream model. This API.market source endpoint is deterministic local compute only and has no upstream token cost. Use API.market pricing plans for subscriber billing and access control.","security":[],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"text":{"type":"string","minLength":1,"maxLength":20000}},"required":["text"],"additionalProperties":false},"examples":{"simple":{"value":{"text":"Hello world.\nThis is a short text."}}}}}},"responses":{"200":{"description":"Count words, lines, bytes, and reading time","content":{"application/json":{"schema":{"type":"object","properties":{"ok":{"type":"boolean"},"tool":{"type":"string"},"fetchedAt":{"type":"string"},"x402Lead":{"$ref":"#/components/schemas/ApiMarketX402Lead"}},"required":["ok","tool","fetchedAt"],"additionalProperties":true},"example":{"ok":true,"tool":"textStats","chars":34,"bytes":34,"words":7,"lines":2,"sentences":2,"paragraphs":1,"readingTimeMinutes":0.04,"fetchedAt":"2026-06-10T00:00:00.000Z","x402Lead":{"paidChatTier":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5","merchantReadiness":"https://gpt55.558686.xyz/x402/merchant-readiness","x402Discovery":"https://gpt55.558686.xyz/.well-known/x402","trackedPaidChatTier":"https://gpt55.558686.xyz/go/api-market/gpt55-chat-tier","trackedMerchantReadiness":"https://gpt55.558686.xyz/go/api-market/merchant-readiness","trackedX402Discovery":"https://gpt55.558686.xyz/go/api-market/x402-discovery","note":"This API.market utility response is deterministic lead-gen. GPT-5.5 quota-tier chat, high-value seller reports, and merchant-readiness products are discoverable through the unified service hub and x402 discovery."}}}}},"400":{"description":"Invalid input","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}},"429":{"description":"Rate limit exceeded","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}}}}},"/v1/tools/hash-text":{"get":{"summary":"Hash text with SHA or MD algorithms via query parameters","operationId":"hashTextApiMarketGet","tags":["utility-tools","hash","sha256","checksum","developer-tool","crypto","utility","no-llm"],"description":"Hash short text with sha256, sha512, sha1, or md5 and return hex/base64/base64url digests without calling an upstream model. This API.market source endpoint is deterministic local compute only and has no upstream token cost. Use API.market pricing plans for subscriber billing and access control.","security":[],"parameters":[{"name":"text","in":"query","required":true,"schema":{"type":"string","minLength":1,"maxLength":20000},"example":"hello"},{"name":"algorithm","in":"query","required":false,"schema":{"type":"string","enum":["sha256","sha512","sha1","md5"]},"example":"sha256"},{"name":"encoding","in":"query","required":false,"schema":{"type":"string","enum":["hex","base64","base64url"]},"example":"hex"}],"responses":{"200":{"description":"Hash text with SHA or MD algorithms","content":{"application/json":{"schema":{"type":"object","properties":{"ok":{"type":"boolean"},"tool":{"type":"string"},"fetchedAt":{"type":"string"},"x402Lead":{"$ref":"#/components/schemas/ApiMarketX402Lead"}},"required":["ok","tool","fetchedAt"],"additionalProperties":true},"example":{"ok":true,"tool":"hashText","algorithm":"sha256","encoding":"hex","digest":"2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824","fetchedAt":"2026-06-10T00:00:00.000Z","x402Lead":{"paidChatTier":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5","merchantReadiness":"https://gpt55.558686.xyz/x402/merchant-readiness","x402Discovery":"https://gpt55.558686.xyz/.well-known/x402","trackedPaidChatTier":"https://gpt55.558686.xyz/go/api-market/gpt55-chat-tier","trackedMerchantReadiness":"https://gpt55.558686.xyz/go/api-market/merchant-readiness","trackedX402Discovery":"https://gpt55.558686.xyz/go/api-market/x402-discovery","note":"This API.market utility response is deterministic lead-gen. GPT-5.5 quota-tier chat, high-value seller reports, and merchant-readiness products are discoverable through the unified service hub and x402 discovery."}}}}},"400":{"description":"Invalid input","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}},"429":{"description":"Rate limit exceeded","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}}}},"post":{"summary":"Hash text with SHA or MD algorithms","operationId":"hashTextApiMarketPost","tags":["utility-tools","hash","sha256","checksum","developer-tool","crypto","utility","no-llm"],"description":"Hash short text with sha256, sha512, sha1, or md5 and return hex/base64/base64url digests without calling an upstream model. This API.market source endpoint is deterministic local compute only and has no upstream token cost. Use API.market pricing plans for subscriber billing and access control.","security":[],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"text":{"type":"string","minLength":1,"maxLength":20000},"algorithm":{"type":"string","enum":["sha256","sha512","sha1","md5"]},"encoding":{"type":"string","enum":["hex","base64","base64url"]}},"required":["text"],"additionalProperties":false},"examples":{"simple":{"value":{"text":"hello","algorithm":"sha256","encoding":"hex"}}}}}},"responses":{"200":{"description":"Hash text with SHA or MD algorithms","content":{"application/json":{"schema":{"type":"object","properties":{"ok":{"type":"boolean"},"tool":{"type":"string"},"fetchedAt":{"type":"string"},"x402Lead":{"$ref":"#/components/schemas/ApiMarketX402Lead"}},"required":["ok","tool","fetchedAt"],"additionalProperties":true},"example":{"ok":true,"tool":"hashText","algorithm":"sha256","encoding":"hex","digest":"2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824","fetchedAt":"2026-06-10T00:00:00.000Z","x402Lead":{"paidChatTier":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5","merchantReadiness":"https://gpt55.558686.xyz/x402/merchant-readiness","x402Discovery":"https://gpt55.558686.xyz/.well-known/x402","trackedPaidChatTier":"https://gpt55.558686.xyz/go/api-market/gpt55-chat-tier","trackedMerchantReadiness":"https://gpt55.558686.xyz/go/api-market/merchant-readiness","trackedX402Discovery":"https://gpt55.558686.xyz/go/api-market/x402-discovery","note":"This API.market utility response is deterministic lead-gen. GPT-5.5 quota-tier chat, high-value seller reports, and merchant-readiness products are discoverable through the unified service hub and x402 discovery."}}}}},"400":{"description":"Invalid input","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}},"429":{"description":"Rate limit exceeded","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}}}}},"/v1/tools/base64-codec":{"get":{"summary":"Encode or decode Base64 via query parameters","operationId":"base64CodecApiMarketGet","tags":["utility-tools","base64","encode","decode","developer-tool","codec","utility","no-llm"],"description":"Encode UTF-8 text to Base64/Base64URL or decode Base64/Base64URL text without calling an upstream model. This API.market source endpoint is deterministic local compute only and has no upstream token cost. Use API.market pricing plans for subscriber billing and access control.","security":[],"parameters":[{"name":"mode","in":"query","required":false,"schema":{"type":"string","enum":["encode","decode"]},"example":"encode"},{"name":"text","in":"query","required":true,"schema":{"type":"string","minLength":1,"maxLength":20000},"example":"hello"},{"name":"urlsafe","in":"query","required":false,"schema":{"type":"boolean"},"example":"false"}],"responses":{"200":{"description":"Encode or decode Base64","content":{"application/json":{"schema":{"type":"object","properties":{"ok":{"type":"boolean"},"tool":{"type":"string"},"fetchedAt":{"type":"string"},"x402Lead":{"$ref":"#/components/schemas/ApiMarketX402Lead"}},"required":["ok","tool","fetchedAt"],"additionalProperties":true},"example":{"ok":true,"tool":"base64Codec","mode":"encode","urlsafe":false,"output":"aGVsbG8=","fetchedAt":"2026-06-10T00:00:00.000Z","x402Lead":{"paidChatTier":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5","merchantReadiness":"https://gpt55.558686.xyz/x402/merchant-readiness","x402Discovery":"https://gpt55.558686.xyz/.well-known/x402","trackedPaidChatTier":"https://gpt55.558686.xyz/go/api-market/gpt55-chat-tier","trackedMerchantReadiness":"https://gpt55.558686.xyz/go/api-market/merchant-readiness","trackedX402Discovery":"https://gpt55.558686.xyz/go/api-market/x402-discovery","note":"This API.market utility response is deterministic lead-gen. GPT-5.5 quota-tier chat, high-value seller reports, and merchant-readiness products are discoverable through the unified service hub and x402 discovery."}}}}},"400":{"description":"Invalid input","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}},"429":{"description":"Rate limit exceeded","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}}}},"post":{"summary":"Encode or decode Base64","operationId":"base64CodecApiMarketPost","tags":["utility-tools","base64","encode","decode","developer-tool","codec","utility","no-llm"],"description":"Encode UTF-8 text to Base64/Base64URL or decode Base64/Base64URL text without calling an upstream model. This API.market source endpoint is deterministic local compute only and has no upstream token cost. Use API.market pricing plans for subscriber billing and access control.","security":[],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"mode":{"type":"string","enum":["encode","decode"]},"text":{"type":"string","minLength":1,"maxLength":20000},"urlsafe":{"type":"boolean"}},"required":["text"],"additionalProperties":false},"examples":{"simple":{"value":{"mode":"encode","text":"hello","urlsafe":false}}}}}},"responses":{"200":{"description":"Encode or decode Base64","content":{"application/json":{"schema":{"type":"object","properties":{"ok":{"type":"boolean"},"tool":{"type":"string"},"fetchedAt":{"type":"string"},"x402Lead":{"$ref":"#/components/schemas/ApiMarketX402Lead"}},"required":["ok","tool","fetchedAt"],"additionalProperties":true},"example":{"ok":true,"tool":"base64Codec","mode":"encode","urlsafe":false,"output":"aGVsbG8=","fetchedAt":"2026-06-10T00:00:00.000Z","x402Lead":{"paidChatTier":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5","merchantReadiness":"https://gpt55.558686.xyz/x402/merchant-readiness","x402Discovery":"https://gpt55.558686.xyz/.well-known/x402","trackedPaidChatTier":"https://gpt55.558686.xyz/go/api-market/gpt55-chat-tier","trackedMerchantReadiness":"https://gpt55.558686.xyz/go/api-market/merchant-readiness","trackedX402Discovery":"https://gpt55.558686.xyz/go/api-market/x402-discovery","note":"This API.market utility response is deterministic lead-gen. GPT-5.5 quota-tier chat, high-value seller reports, and merchant-readiness products are discoverable through the unified service hub and x402 discovery."}}}}},"400":{"description":"Invalid input","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}},"429":{"description":"Rate limit exceeded","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}}}}},"/v1/tools/url-parse":{"get":{"summary":"Parse URL components via query parameters","operationId":"parseUrlApiMarketGet","tags":["utility-tools","url-parse","url","querystring","developer-tool","web","utility","no-llm"],"description":"Parse an absolute URL into protocol, host, path, query parameters, hash, and origin without fetching the URL or calling an upstream model. This API.market source endpoint is deterministic local compute only and has no upstream token cost. Use API.market pricing plans for subscriber billing and access control.","security":[],"parameters":[{"name":"url","in":"query","required":true,"schema":{"type":"string","minLength":1,"maxLength":2048},"example":"https://example.com/path?a=1&a=2#top"}],"responses":{"200":{"description":"Parse URL components","content":{"application/json":{"schema":{"type":"object","properties":{"ok":{"type":"boolean"},"tool":{"type":"string"},"fetchedAt":{"type":"string"},"x402Lead":{"$ref":"#/components/schemas/ApiMarketX402Lead"}},"required":["ok","tool","fetchedAt"],"additionalProperties":true},"example":{"ok":true,"tool":"urlParse","href":"https://example.com/path?a=1&a=2#top","protocol":"https:","host":"example.com","pathname":"/path","query":{"a":["1","2"]},"fetchedAt":"2026-06-10T00:00:00.000Z","x402Lead":{"paidChatTier":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5","merchantReadiness":"https://gpt55.558686.xyz/x402/merchant-readiness","x402Discovery":"https://gpt55.558686.xyz/.well-known/x402","trackedPaidChatTier":"https://gpt55.558686.xyz/go/api-market/gpt55-chat-tier","trackedMerchantReadiness":"https://gpt55.558686.xyz/go/api-market/merchant-readiness","trackedX402Discovery":"https://gpt55.558686.xyz/go/api-market/x402-discovery","note":"This API.market utility response is deterministic lead-gen. GPT-5.5 quota-tier chat, high-value seller reports, and merchant-readiness products are discoverable through the unified service hub and x402 discovery."}}}}},"400":{"description":"Invalid input","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}},"429":{"description":"Rate limit exceeded","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}}}},"post":{"summary":"Parse URL components","operationId":"parseUrlApiMarketPost","tags":["utility-tools","url-parse","url","querystring","developer-tool","web","utility","no-llm"],"description":"Parse an absolute URL into protocol, host, path, query parameters, hash, and origin without fetching the URL or calling an upstream model. This API.market source endpoint is deterministic local compute only and has no upstream token cost. Use API.market pricing plans for subscriber billing and access control.","security":[],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"url":{"type":"string","minLength":1,"maxLength":2048}},"required":["url"],"additionalProperties":false},"examples":{"simple":{"value":{"url":"https://example.com/path?a=1&a=2#top"}}}}}},"responses":{"200":{"description":"Parse URL components","content":{"application/json":{"schema":{"type":"object","properties":{"ok":{"type":"boolean"},"tool":{"type":"string"},"fetchedAt":{"type":"string"},"x402Lead":{"$ref":"#/components/schemas/ApiMarketX402Lead"}},"required":["ok","tool","fetchedAt"],"additionalProperties":true},"example":{"ok":true,"tool":"urlParse","href":"https://example.com/path?a=1&a=2#top","protocol":"https:","host":"example.com","pathname":"/path","query":{"a":["1","2"]},"fetchedAt":"2026-06-10T00:00:00.000Z","x402Lead":{"paidChatTier":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5","merchantReadiness":"https://gpt55.558686.xyz/x402/merchant-readiness","x402Discovery":"https://gpt55.558686.xyz/.well-known/x402","trackedPaidChatTier":"https://gpt55.558686.xyz/go/api-market/gpt55-chat-tier","trackedMerchantReadiness":"https://gpt55.558686.xyz/go/api-market/merchant-readiness","trackedX402Discovery":"https://gpt55.558686.xyz/go/api-market/x402-discovery","note":"This API.market utility response is deterministic lead-gen. GPT-5.5 quota-tier chat, high-value seller reports, and merchant-readiness products are discoverable through the unified service hub and x402 discovery."}}}}},"400":{"description":"Invalid input","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}},"429":{"description":"Rate limit exceeded","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}}}}},"/v1/tools/timestamp":{"get":{"summary":"Convert timestamps and ISO dates via query parameters","operationId":"convertTimestampApiMarketGet","tags":["utility-tools","timestamp","date","time","unix-time","developer-tool","utility","no-llm"],"description":"Convert Unix seconds, Unix milliseconds, or date strings into ISO, Unix seconds, Unix milliseconds, and UTC fields without calling an upstream model. This API.market source endpoint is deterministic local compute only and has no upstream token cost. Use API.market pricing plans for subscriber billing and access control.","security":[],"parameters":[{"name":"value","in":"query","required":false,"schema":{"type":"string","description":"Pass the value as text; JSON text is accepted for structured JSON values."},"example":"2026-06-10T00:00:00Z","description":"Query values are strings; pass JSON text for structured values."}],"responses":{"200":{"description":"Convert timestamps and ISO dates","content":{"application/json":{"schema":{"type":"object","properties":{"ok":{"type":"boolean"},"tool":{"type":"string"},"fetchedAt":{"type":"string"},"x402Lead":{"$ref":"#/components/schemas/ApiMarketX402Lead"}},"required":["ok","tool","fetchedAt"],"additionalProperties":true},"example":{"ok":true,"tool":"timestamp","iso":"2026-06-10T00:00:00.000Z","unixSeconds":1781049600,"unixMilliseconds":1781049600000,"fetchedAt":"2026-06-10T00:00:00.000Z","x402Lead":{"paidChatTier":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5","merchantReadiness":"https://gpt55.558686.xyz/x402/merchant-readiness","x402Discovery":"https://gpt55.558686.xyz/.well-known/x402","trackedPaidChatTier":"https://gpt55.558686.xyz/go/api-market/gpt55-chat-tier","trackedMerchantReadiness":"https://gpt55.558686.xyz/go/api-market/merchant-readiness","trackedX402Discovery":"https://gpt55.558686.xyz/go/api-market/x402-discovery","note":"This API.market utility response is deterministic lead-gen. GPT-5.5 quota-tier chat, high-value seller reports, and merchant-readiness products are discoverable through the unified service hub and x402 discovery."}}}}},"400":{"description":"Invalid input","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}},"429":{"description":"Rate limit exceeded","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}}}},"post":{"summary":"Convert timestamps and ISO dates","operationId":"convertTimestampApiMarketPost","tags":["utility-tools","timestamp","date","time","unix-time","developer-tool","utility","no-llm"],"description":"Convert Unix seconds, Unix milliseconds, or date strings into ISO, Unix seconds, Unix milliseconds, and UTC fields without calling an upstream model. This API.market source endpoint is deterministic local compute only and has no upstream token cost. Use API.market pricing plans for subscriber billing and access control.","security":[],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"value":{"oneOf":[{"type":"string"},{"type":"number"}]}},"additionalProperties":false},"examples":{"simple":{"value":{"value":"2026-06-10T00:00:00Z"}}}}}},"responses":{"200":{"description":"Convert timestamps and ISO dates","content":{"application/json":{"schema":{"type":"object","properties":{"ok":{"type":"boolean"},"tool":{"type":"string"},"fetchedAt":{"type":"string"},"x402Lead":{"$ref":"#/components/schemas/ApiMarketX402Lead"}},"required":["ok","tool","fetchedAt"],"additionalProperties":true},"example":{"ok":true,"tool":"timestamp","iso":"2026-06-10T00:00:00.000Z","unixSeconds":1781049600,"unixMilliseconds":1781049600000,"fetchedAt":"2026-06-10T00:00:00.000Z","x402Lead":{"paidChatTier":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5","merchantReadiness":"https://gpt55.558686.xyz/x402/merchant-readiness","x402Discovery":"https://gpt55.558686.xyz/.well-known/x402","trackedPaidChatTier":"https://gpt55.558686.xyz/go/api-market/gpt55-chat-tier","trackedMerchantReadiness":"https://gpt55.558686.xyz/go/api-market/merchant-readiness","trackedX402Discovery":"https://gpt55.558686.xyz/go/api-market/x402-discovery","note":"This API.market utility response is deterministic lead-gen. GPT-5.5 quota-tier chat, high-value seller reports, and merchant-readiness products are discoverable through the unified service hub and x402 discovery."}}}}},"400":{"description":"Invalid input","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}},"429":{"description":"Rate limit exceeded","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}}}}},"/v1/tools/jwt-decode":{"get":{"summary":"Decode JWT header and payload via query parameters","operationId":"decodeJwtApiMarketGet","tags":["utility-tools","jwt","decode","token","developer-tool","auth","utility","no-llm"],"description":"Decode a JWT header and payload without verifying the signature and without calling an upstream model. This API.market source endpoint is deterministic local compute only and has no upstream token cost. Use API.market pricing plans for subscriber billing and access control.","security":[],"parameters":[{"name":"token","in":"query","required":true,"schema":{"type":"string","minLength":1,"maxLength":20000},"example":"eyJhbGciOiJub25lIn0.eyJzdWIiOiJleGFtcGxlIn0."}],"responses":{"200":{"description":"Decode JWT header and payload","content":{"application/json":{"schema":{"type":"object","properties":{"ok":{"type":"boolean"},"tool":{"type":"string"},"fetchedAt":{"type":"string"},"x402Lead":{"$ref":"#/components/schemas/ApiMarketX402Lead"}},"required":["ok","tool","fetchedAt"],"additionalProperties":true},"example":{"ok":true,"tool":"jwtDecode","header":{"alg":"none"},"payload":{"sub":"example"},"signaturePresent":false,"fetchedAt":"2026-06-10T00:00:00.000Z","x402Lead":{"paidChatTier":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5","merchantReadiness":"https://gpt55.558686.xyz/x402/merchant-readiness","x402Discovery":"https://gpt55.558686.xyz/.well-known/x402","trackedPaidChatTier":"https://gpt55.558686.xyz/go/api-market/gpt55-chat-tier","trackedMerchantReadiness":"https://gpt55.558686.xyz/go/api-market/merchant-readiness","trackedX402Discovery":"https://gpt55.558686.xyz/go/api-market/x402-discovery","note":"This API.market utility response is deterministic lead-gen. GPT-5.5 quota-tier chat, high-value seller reports, and merchant-readiness products are discoverable through the unified service hub and x402 discovery."}}}}},"400":{"description":"Invalid input","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}},"429":{"description":"Rate limit exceeded","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}}}},"post":{"summary":"Decode JWT header and payload","operationId":"decodeJwtApiMarketPost","tags":["utility-tools","jwt","decode","token","developer-tool","auth","utility","no-llm"],"description":"Decode a JWT header and payload without verifying the signature and without calling an upstream model. This API.market source endpoint is deterministic local compute only and has no upstream token cost. Use API.market pricing plans for subscriber billing and access control.","security":[],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"token":{"type":"string","minLength":1,"maxLength":20000}},"required":["token"],"additionalProperties":false},"examples":{"simple":{"value":{"token":"eyJhbGciOiJub25lIn0.eyJzdWIiOiJleGFtcGxlIn0."}}}}}},"responses":{"200":{"description":"Decode JWT header and payload","content":{"application/json":{"schema":{"type":"object","properties":{"ok":{"type":"boolean"},"tool":{"type":"string"},"fetchedAt":{"type":"string"},"x402Lead":{"$ref":"#/components/schemas/ApiMarketX402Lead"}},"required":["ok","tool","fetchedAt"],"additionalProperties":true},"example":{"ok":true,"tool":"jwtDecode","header":{"alg":"none"},"payload":{"sub":"example"},"signaturePresent":false,"fetchedAt":"2026-06-10T00:00:00.000Z","x402Lead":{"paidChatTier":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5","merchantReadiness":"https://gpt55.558686.xyz/x402/merchant-readiness","x402Discovery":"https://gpt55.558686.xyz/.well-known/x402","trackedPaidChatTier":"https://gpt55.558686.xyz/go/api-market/gpt55-chat-tier","trackedMerchantReadiness":"https://gpt55.558686.xyz/go/api-market/merchant-readiness","trackedX402Discovery":"https://gpt55.558686.xyz/go/api-market/x402-discovery","note":"This API.market utility response is deterministic lead-gen. GPT-5.5 quota-tier chat, high-value seller reports, and merchant-readiness products are discoverable through the unified service hub and x402 discovery."}}}}},"400":{"description":"Invalid input","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}},"429":{"description":"Rate limit exceeded","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}}}}},"/v1/tools/slugify":{"get":{"summary":"Create URL slugs via query parameters","operationId":"slugifyTextApiMarketGet","tags":["utility-tools","slugify","url-slug","text-transform","developer-tool","utility","no-llm"],"description":"Convert text into a lower-case URL slug with a configurable separator without calling an upstream model. This API.market source endpoint is deterministic local compute only and has no upstream token cost. Use API.market pricing plans for subscriber billing and access control.","security":[],"parameters":[{"name":"text","in":"query","required":true,"schema":{"type":"string","minLength":1,"maxLength":20000},"example":"Hello, x402 World!"},{"name":"separator","in":"query","required":false,"schema":{"type":"string","minLength":1,"maxLength":3},"example":"-"},{"name":"lowercase","in":"query","required":false,"schema":{"type":"boolean"}}],"responses":{"200":{"description":"Create URL slugs","content":{"application/json":{"schema":{"type":"object","properties":{"ok":{"type":"boolean"},"tool":{"type":"string"},"fetchedAt":{"type":"string"},"x402Lead":{"$ref":"#/components/schemas/ApiMarketX402Lead"}},"required":["ok","tool","fetchedAt"],"additionalProperties":true},"example":{"ok":true,"tool":"slugify","slug":"hello-x402-world","separator":"-","fetchedAt":"2026-06-10T00:00:00.000Z","x402Lead":{"paidChatTier":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5","merchantReadiness":"https://gpt55.558686.xyz/x402/merchant-readiness","x402Discovery":"https://gpt55.558686.xyz/.well-known/x402","trackedPaidChatTier":"https://gpt55.558686.xyz/go/api-market/gpt55-chat-tier","trackedMerchantReadiness":"https://gpt55.558686.xyz/go/api-market/merchant-readiness","trackedX402Discovery":"https://gpt55.558686.xyz/go/api-market/x402-discovery","note":"This API.market utility response is deterministic lead-gen. GPT-5.5 quota-tier chat, high-value seller reports, and merchant-readiness products are discoverable through the unified service hub and x402 discovery."}}}}},"400":{"description":"Invalid input","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}},"429":{"description":"Rate limit exceeded","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiMarketError"}}}}}},"post":{"summary":"Create URL slugs","operationId":"slugifyTextApiMarketPost","tags":["utility-tools","slugify","url-slug","text-transform","developer-tool","utility","no-llm"],"description":"Convert text into a lower-case URL slug with a configurable separator without calling an upstream model. This API.market source endpoint is deterministic local compute only and has no upstream token cost. Use API.market pricing plans for subscriber billing and access control.","security":[],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"text":{"type":"string","minLength":1,"maxLength":20000},"separator":{"type":"string","minLength":1,"maxLength":3},"lowercase":{"type":"boolean"}},"required":["text"],"additionalProperties":false},"examples":{"simple":{"value":{"text":"Hello, x402 World!","separator":"-"}}}}}},"responses":{"200":{"description":"Create URL slugs","content":{"application/json":{"schema":{"type":"object","properties":{"ok":{"type":"boolean"},"tool":{"type":"string"},"fetchedAt":{"type":"string"},"x402Lead":{"$ref":"#/components/schemas/ApiMarketX402Lead"}},"required":["ok","tool","fetchedAt"],"additionalProperties":true},"example":{"ok":true,"tool":"slugify","slug":"hello-x402-world","separator":"-","fetchedAt":"2026-06-10T00:00:00.000Z","x402Lead":{"paidChatTier":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5","merchantReadiness":"https://gpt55.558686.xyz/x402/merchant-readiness","x402Discovery":"https://gpt55.558686.xyz/.well-known/x402","trackedPaidChatTier":"https://gpt55.558686.xyz/go/api-market/gpt55-chat-tier","trackedMerchantReadiness":"https://gpt55.558686.xyz/go/api-market/merchant-readiness","trackedX402Discovery":"https://gpt55.558686.xyz/go/api-market/x402-discovery","note":"This API.market utility response is deterministic lead-gen. GPT-5.5 quota-tier chat, high-value seller reports, and merchant-readiness products are discoverable through the unified service hub and x402 discovery."}}}}},"400":{"description":"Invalid input","content":{"application/json":{"schema":{"$ref":"#/components
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# Full source: https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/openapi/558686-xyz-api-market-utility-tools-openapi.json