{"id":2091,"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.","card_url":"https://gpt55.558686.xyz/.well-known/agent-card.json","endpoint":"https://gpt55.558686.xyz/a2a","protocol_version":"1.0","first_seen":"2026-10-08T04:55:51.721901+00:00","last_verified":"2026-10-08T05:12:08.183388+00:00","card":{"url":"https://gpt55.558686.xyz/a2a","name":"AI Hub","x402":{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","price":"$0.099995","pay_to":"0x1f0130669ca6fd02e025a984cc038f139df19a2f","scheme":"exact","network":"eip155:8453","schemes":["exact"],"tool_price":"$0.002","amount_usdc":0.099995,"facilitator":"provider-pool","amount_atomic":"99995","facilitatorPool":[{"id":"dexter","url":"https://x402.dexter.cash","active":false,"status":"frozen_settlement","networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"observedAt":"2026-07-19T16:04:32.063Z"},{"id":"fluxa","url":"https://facilitator.fluxapay.xyz","active":false,"status":"frozen_settlement","networks":["eip155:8453"],"observedAt":"2026-07-19T16:04:32.063Z"},{"id":"mogami","url":"https://v2.facilitator.mogami.tech","active":false,"status":"frozen_unreachable","networks":["eip155:8453"],"observedAt":"2026-09-18T08:31:22.080Z"},{"id":"primer","url":"https://x402.primer.systems","active":false,"status":"frozen_unreachable","networks":["eip155:8453"],"observedAt":"2026-09-18T08:31:22.080Z"},{"id":"xpay","url":"https://facilitator.xpay.sh","active":true,"status":"enabled","networks":["eip155:8453"],"observedAt":"2026-09-18T08:36:32.152Z"},{"id":"payai","url":"https://facilitator.payai.network","active":false,"status":"frozen_quota","networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"observedAt":"2026-09-18T08:36:32.152Z"},{"id":"kobaru","url":"https://gateway.kobaru.io","active":false,"status":"frozen_unreachable","networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"observedAt":"2026-09-18T08:31:22.080Z"},{"id":"cdp","url":"https://api.cdp.coinbase.com/platform/v2/x402","active":false,"status":"frozen_unreachable","networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"observedAt":"2026-08-29T17:17:22.202Z"},{"id":"solvador","url":"https://api.solvador.com","active":false,"status":"disabled","networks":[]}],"fallbackFacilitators":["https://facilitator.xpay.sh"]},"links":{"llms":"https://gpt55.558686.xyz/llms.txt","openapi":"https://gpt55.558686.xyz/openapi.json","project":"https://gpt55.558686.xyz/projects/558686/","apisJson":"https://gpt55.558686.xyz/apis.json","llmsFull":"https://gpt55.558686.xyz/llms-full.txt","agents402":"https://gpt55.558686.xyz/.well-known/agents402.json","aiCatalog":"https://gpt55.558686.xyz/.well-known/ai-catalog.json","toolsJson":"https://gpt55.558686.xyz/tools.json","serviceHub":"https://gpt55.558686.xyz/x402/service","mcpServerCard":"https://gpt55.558686.xyz/.well-known/mcp/server-card.json","mcpServerJson":"https://gpt55.558686.xyz/server.json","serviceHubJson":"https://gpt55.558686.xyz/x402/service.json","directorySubmission":"https://gpt55.558686.xyz/directory-submission.json"},"origin":"gpt55.558686.xyz","skills":[{"id":"gpt55-chat-completions","name":"GPT-5.6 Soul Chat Completions","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"],"price":"$0.099995","payment":{"asset":"USDC","payTo":"0x1f0130669ca6fd02e025a984cc038f139df19a2f","network":"eip155:8453","protocol":"x402"},"endpoint":{"url":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.6-sol","path":"/v1/chat/completions/gpt-5.6-sol","method":"POST"},"examples":["Summarize this paragraph in one sentence.","Translate this short message.","Answer this question concisely."],"inputModes":["application/json"],"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.","outputModes":["application/json"]},{"id":"gpt55-translate","name":"Translate","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"],"price":"$0.00293","payment":{"asset":"USDC","payTo":"0x1f0130669ca6fd02e025a984cc038f139df19a2f","network":"eip155:8453","protocol":"x402"},"endpoint":{"url":"https://gpt55.558686.xyz/v1/tools/translate","path":"/v1/tools/translate","method":"POST"},"examples":["Translate this support reply into Spanish.","Localize this short product update."],"inputModes":["application/json"],"livePrices":"https://gpt55.558686.xyz/x402/live-prices.json","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.","outputModes":["application/json"]},{"id":"gpt55-x402-buyer-shortlist","name":"x402 Buyer Shortlist","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"],"price":"$0.005","payment":{"asset":"USDC","payTo":"0x1f0130669ca6fd02e025a984cc038f139df19a2f","network":"eip155:8453","protocol":"x402"},"endpoint":{"url":"https://gpt55.558686.xyz/v1/tools/x402-buyer-shortlist","path":"/v1/tools/x402-buyer-shortlist","method":"POST"},"examples":["Rank these x402 services before my agent pays.","Find buyer-safe x402 endpoints for translation."],"inputModes":["application/json"],"livePrices":"https://gpt55.558686.xyz/x402/live-prices.json","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.","outputModes":["application/json"]},{"id":"gpt55-wallet-signing-safety-pack","name":"Wallet Signing Safety 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"],"price":"$0.018","payment":{"asset":"USDC","payTo":"0x1f0130669ca6fd02e025a984cc038f139df19a2f","network":"eip155:8453","protocol":"x402"},"endpoint":{"url":"https://gpt55.558686.xyz/v1/tools/wallet-signing-safety-pack","path":"/v1/tools/wallet-signing-safety-pack","method":"POST"},"examples":["Decide whether this EIP-712 signing request is safe.","Generate a prepay safety checklist for an agent wallet."],"inputModes":["application/json"],"livePrices":"https://gpt55.558686.xyz/x402/live-prices.json","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.","outputModes":["application/json"]},{"id":"gpt55-x402-mcp-integration-kit","name":"x402 MCP Integration Kit","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"],"price":"$0.006","payment":{"asset":"USDC","payTo":"0x1f0130669ca6fd02e025a984cc038f139df19a2f","network":"eip155:8453","protocol":"x402"},"endpoint":{"url":"https://gpt55.558686.xyz/v1/tools/x402-mcp-integration-kit","path":"/v1/tools/x402-mcp-integration-kit","method":"POST"},"examples":["Generate MCP client config for a paid x402 tool.","Create Claude/Cline/Cursor install snippets."],"inputModes":["application/json"],"livePrices":"https://gpt55.558686.xyz/x402/live-prices.json","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.","outputModes":["application/json"]}],"intents":[{"name":"gpt55_standard_chat","price":{"amount":0.099995,"currency":"USDC"},"method":"POST","endpoint":"/v1/chat/completions/gpt-5.6-sol","description":"OpenAI-compatible GPT-5.6 Soul chat completion over x402 Base USDC."}],"payment":{"x402":{"asset":"USDC","payTo":"0x1f0130669ca6fd02e025a984cc038f139df19a2f","network":"eip155:8453","facilitator":"provider-pool","discoveryUrl":"https://gpt55.558686.xyz/.well-known/x402"},"accepts":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x1f0130669ca6fd02e025a984cc038f139df19a2f","scheme":"exact","network":"eip155:8453","pricing":{"gpt55-translate":0.00293,"gpt55-chat-completions":0.099995,"gpt55-x402-buyer-shortlist":0.005,"gpt55-x402-mcp-integration-kit":0.006,"gpt55-wallet-signing-safety-pack":0.018},"currency":"USDC","facilitator":"provider-pool","x402Version":2}],"schemes":["x402"]},"version":"1.0.0","payments":{"x402":{"networks":[{"asset":"USDC","network":"base","contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"}]}},"provider":{"url":"https://gpt55.558686.xyz","organization":"ai-hub"},"endpoints":{"openapi":"https://gpt55.558686.xyz/openapi.json","agents402":"https://gpt55.558686.xyz/.well-known/agents402.json","x402_ping":"https://gpt55.558686.xyz/v1/x402-ping","ai_catalog":"https://gpt55.558686.xyz/.well-known/ai-catalog.json","tools_json":"https://gpt55.558686.xyz/tools.json","service_hub":"https://gpt55.558686.xyz/x402/service","integrations":"https://gpt55.558686.xyz/integrations","service_json":"https://gpt55.558686.xyz/x402/service.json","x402_discovery":"https://gpt55.558686.xyz/.well-known/x402","chat_completions":"https://gpt55.558686.xyz/v1/chat/completions","integrations_json":"https://gpt55.558686.xyz/integrations.json","standard_chat_completions":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.6-sol"},"rateLimit":{"rpm":120},"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.","capabilities":{"paid":true,"tools":true,"streaming":false},"display_name":"AI Hub","authentication":[{"schemes":["x402"]}],"payout_address":"0x1f0130669ca6fd02e025a984cc038f139df19a2f","protocolVersion":"1.0","documentationUrl":"https://gpt55.558686.xyz/llms.txt","defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"preferredTransport":"JSONRPC","supportedInterfaces":[{"url":"https://gpt55.558686.xyz/a2a","protocolBinding":"JSONRPC","protocolVersion":"1.0"}],"keyPackDeliveryTrial":{"label":"Start the $0.12 delivery trial","price":"$0.12","paidUrl":"https://x402-key.558686.xyz/v1/paid/api-codex-key-pack-1","purpose":"Validate a buyer-owned Base USDC payment and one-time API key delivery before the commercial purchase.","routeId":"api-codex-key-pack-1","quotaUsd":1,"quoteUrl":"https://x402-key.558686.xyz/x402/quote/api-codex-key-pack-1","amountAtomic":"120000","nonCreditPolicy":"The $0.12 trial does not reduce the commercial pack price.","commercialUpgrade":{"price":"$11.1112","paidUrl":"https://x402-key.558686.xyz/v1/paid/api-codex-key-pack-100","routeId":"api-codex-key-pack-100","quotaUsd":100,"quoteUrl":"https://x402-key.558686.xyz/x402/quote/api-codex-key-pack-100","amountAtomic":"11111200","paymentActivation":"https://x402-key.558686.xyz/x402/route/api-codex-key-pack-100/payment-activation.json","firstPaymentClient":"https://x402-key.558686.xyz/x402/route/api-codex-key-pack-100/first-payment-client.mjs","commercialPackOutcome":"One-time API key, OpenAI-compatible base URL, chat completions URL, models URL, supported models, $100 quota metadata, and receipt evidence.","previousPurchaseAppliedToUpgrade":false},"paymentActivation":"https://x402-key.558686.xyz/x402/route/api-codex-key-pack-1/payment-activation.json","firstPaymentClient":"https://x402-key.558686.xyz/x402/route/api-codex-key-pack-1/first-payment-client.mjs","commercialPackPrice":"$11.1112","commercialPackRouteId":"api-codex-key-pack-100","trialPaymentCreditsCommercialPack":false}},"signature_status":"unsigned","signature_detail":"No card signature supplied","signature_key_url":null,"signature_checked_at":"2026-10-08T05:12:08.183388+00:00","domain_claimed_at":null,"domain_proof_checked_at":null,"source_name":"A2A Registry","source_url":"https://a2aregistry.org/api/agents","last_check":{"checked_at":"2026-10-08T05:12:08.183388+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"skills":[{"skill_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"],"quality_warning":false},{"skill_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"],"quality_warning":false},{"skill_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"],"quality_warning":false},{"skill_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"],"quality_warning":false},{"skill_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"],"quality_warning":false}],"quality_flags":[],"check_history":{"checks":3,"passed":3},"recent_checks":[{"checked_at":"2026-10-08T05:12:08.183388+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"checked_at":"2026-10-08T05:00:58.753286+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"checked_at":"2026-10-08T04:55:51.721901+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"endpoint_tls_check":{"checked_at":"2026-10-08T05:12:08.183388+00:00","success":true,"detail":"Valid TLS connection to advertised endpoint host; no A2A request sent"},"protocol_check":{"checked_at":"2026-10-08T05:12:08.183388+00:00","state":"jsonrpc_response","http_status":200,"detail":"JSON-RPC response received; A2A behavior not confirmed"},"events":[],"relationships":[],"verification":{"agent_card_url":"https://gpt55.558686.xyz/.well-known/agent-card.json","last_successful_card_check":"2026-10-08T05:12:08.183388+00:00","latest_card_check":{"checked_at":"2026-10-08T05:12:08.183388+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"signature_status":"unsigned","signature_checked_at":"2026-10-08T05:12:08.183388+00:00","task_endpoint_tested":true,"task_execution_tested":false,"endpoint_tls_checked_at":"2026-10-08T05:12:08.183388+00:00","endpoint_tls_reachable":true,"protocol_check_state":"jsonrpc_response","protocol_checked_at":"2026-10-08T05:12:08.183388+00:00","provider_identity_verified":false,"domain_claimed_at":null,"domain_proof_checked_at":null}}