{"protocolVersion":"1.0","name":"AI Hub","description":"GPT-5.6 Soul chat is $0.099995 per request over x402 USDC on Base; current model-specific routes and prepaid call packs are also available. Market benchmark: the latest local x402.direct sample found AI-like listing prices with p25 around $0.01 and median around $0.03 per call; this gateway publishes GPT-5.6 Soul at $0.099995 and model-specific prices at /pricing.json. GPT-5.6 Soul is $0.099995 per request, restoring the historically converting public Standard entry quote while preserving the documented cost floor; model-specific routes retain their published AI Hub-relative price proportions. Service hub: https://gpt55.558686.xyz/x402/service and https://gpt55.558686.xyz/x402/service.json. Discovery assets: https://gpt55.558686.xyz/openapi.json, https://gpt55.558686.xyz/llms.txt, https://gpt55.558686.xyz/tools.json, https://gpt55.558686.xyz/apis.json, https://gpt55.558686.xyz/directory-submission.json. Agent and MCP metadata: https://gpt55.558686.xyz/.well-known/agent-card.json, https://gpt55.558686.xyz/.well-known/ai-catalog.json, https://gpt55.558686.xyz/.well-known/mcp/server-card.json, https://gpt55.558686.xyz/server.json. Integration hub: https://gpt55.558686.xyz/integrations and https://gpt55.558686.xyz/integrations.json. Best for agents that need one-call GPT-5.6 Soul access without API-key onboarding or subscription setup. Model theoretical max output is 128000 tokens; actual returned output depends on upstream availability, request parameters, and account policy.","author":"gpt55-token-gateway","wellKnownURI":"https://gpt55.558686.xyz/.well-known/agent-card.json","url":"https://gpt55.558686.xyz/a2a","version":"1.0.0","provider":{"organization":"ai-hub","url":"https://gpt55.558686.xyz/"},"documentationUrl":"https://gpt55.558686.xyz/llms.txt","iconUrl":null,"supportsAuthenticatedExtendedCard":null,"security":[],"securitySchemes":{},"capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false,"extensions":null},"defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"skills":[{"id":"gpt55-chat-completions","name":"GPT-5.6 Soul Chat Completions","description":"Generate responses from the OpenAI-compatible GPT-5.6 Soul endpoint. Price: $0.099995 USDC per request via x402 on Base. Use for summarize text, translate text, answer question, rewrite text, context QA, and short agent responses.","tags":["ai","llm","gpt-5.5","chat","openai-compatible","x402","base-usdc","x402-chat","openai-compatible-chat","pay-per-request","agent-tool","summarize","summarization","tldr","translate","translation","rewrite","editing","grammar","question-answering","qa","context-qa","text-processing","code-review","debugging","json","url-metadata","url-text","url-links","x402-audit","api-audit","buyer-readiness","openapi-audit","http-status","redirect-check","web-metadata","web-scraping","link-extraction","crawler","text-extraction","data-extraction","json-validate","validation","hash","base64","jwt","timestamp","url-parse","querystring","regex","slugify","case-convert","uuid","text-stats","line-diff","structured-output","microtask","rewriting","coding-help"],"examples":["Summarize this paragraph in one sentence.","Translate this short message.","Answer this question concisely."],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"gpt55-translate","name":"Translate","description":"Translate short text, messages, notes, and snippets to a requested target language for agent workflows, localization, bilingual support replies, and quick multilingual output. Standard quality tier uses gpt-5.6-luna; price is derived from official OpenAI relative token costs with a local margin and floor. Price: $0.00293 USDC per request via x402 on Base. Requested output limit: 64 tokens. Model: gpt-5.6-luna. Buyer search phrases: translate text, cheap translation, localization, bilingual support reply, multilingual agent output, x402 paid tool.","tags":["ai","llm","gpt-5.5","chat","openai-compatible","x402","base-usdc","x402-chat","openai-compatible-chat","pay-per-request","agent-tool","summarize","summarization","tldr","translate","translation"],"examples":["Translate this support reply into Spanish.","Localize this short product update."],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"gpt55-x402-buyer-shortlist","name":"x402 Buyer Shortlist","description":"Fetch x402 discovery documents, rank matching resources by advertised price, live-check the cheapest candidates with 402 quote inspection, and return a buyer-ready shortlist with verified amount, scheme, network, payTo, tags, and warnings. This deterministic endpoint does not call an upstream model. Price: $0.005 USDC per request via x402 on Base. No upstream model call. Buyer search phrases: x402 buyer shortlist, find payable APIs, rank x402 resources, buyer discovery, x402 paid tool, Base USDC.","tags":["ai","llm","gpt-5.5","chat","openai-compatible","x402","base-usdc","x402-chat","openai-compatible-chat","pay-per-request","agent-tool","summarize","summarization","tldr","translate","translation"],"examples":["Rank these x402 services before my agent pays.","Find buyer-safe x402 endpoints for translation."],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"gpt55-wallet-signing-safety-pack","name":"Wallet Signing Safety Pack","description":"Build a single wallet/agent pre-signing decision pack from optional EIP-712 typed data, EVM calldata, expected chain, known addresses, and x402 spend policy. Returns risk levels, risk flags, buyer decision, copy-paste checklist, and first-payment routing hints without using a private key, producing a signature, sending a transaction, broadcasting, or calling external RPC. Price: $0.018 USDC per request via x402 on Base. No upstream model call. Buyer search phrases: wallet signing safety pack, EIP-712 Permit2 safety pack, wallet pre signing decision, agent wallet risk policy, x402 wallet safety first purchase, approval and calldata risk pack.","tags":["ai","llm","gpt-5.5","chat","openai-compatible","x402","base-usdc","x402-chat","openai-compatible-chat","pay-per-request","agent-tool","summarize","summarization","tldr","translate","translation"],"examples":["Decide whether this EIP-712 signing request is safe.","Generate a prepay safety checklist for an agent wallet."],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"gpt55-x402-mcp-integration-kit","name":"x402 MCP Integration Kit","description":"Generate a deterministic buyer integration package for an x402/MCP service: MCP remote server config, Claude Desktop-style config hints, curl discovery checks, x402 quote test commands, endpoint selection, spending caps, and verification checklist without calling an upstream model. Price: $0.006 USDC per request via x402 on Base. No upstream model call. Buyer search phrases: x402 MCP integration kit, MCP paid API config, Claude MCP x402 setup, x402 buyer onboarding, x402 client integration, agent paid API setup.","tags":["ai","llm","gpt-5.5","chat","openai-compatible","x402","base-usdc","x402-chat","openai-compatible-chat","pay-per-request","agent-tool","summarize","summarization","tldr","translate","translation"],"examples":["Generate MCP client config for a paid x402 tool.","Create Claude/Cline/Cursor install snippets."],"inputModes":["application/json"],"outputModes":["application/json"]}],"conformance":true,"conformance_errors":null,"homepage":null,"repository":null,"license":null,"pricing":null,"contact":null,"id":"5acf7371-c956-40d3-ae37-ea7e0f7d42bb","created_at":"2026-06-28T16:23:07.505502Z","updated_at":"2026-10-13T00:13:18.856994Z","hidden":false,"flag_count":0,"maintainer_notes":"Agent does not implement the `message/send` JSON-RPC method. Add support for this method per the A2A spec.","category":"ai-models","category_secondary":null,"uptime_percentage":100.0,"avg_response_time_ms":2209,"last_health_check":"2026-10-13T00:13:18.847349Z","is_healthy":true,"status_notes":["Returning errors when contacted by users (Agent returned an unexpected error)"],"task_conformance":{"category":"METHOD","passed":false,"checked_at":"2026-10-12T07:07:21.107497Z","response_ms":3044}}