{"uid":"cap_cUlswoaoSxLXzz8ZNz9sM","slug":"ddg-agent-payable-chat-completions-4126acfa","name":"DDG Agent-Payable Chat Completions","description":"Machine-payable DDG services for AI agents. Current public live payment rails are x402 multi-chain USDC and direct-crypto auto/manual for public receiving-address families. MPP/Stripe/Tempo is installed but pending live provider env plus penny-settlement proof before any MPP-live advertisement. DDG sells bounded artifacts/results, not raw provider account access.","url":"https://agents.daedalusdevelopmentgroup.com/v1/chat/completions?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input","output"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object"},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":true},"output":{"type":"object","required":["type","example"],"properties":{"type":{"type":"string"},"example":{"ok":true}},"additionalProperties":true}}},"responseSchema":{"type":"json","example":{"ok":true,"choices":[{"message":{"role":"assistant","content":"..."}}],"receipt":{"protocol":"x402"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_doHLkDYmAwYxUE1LS35O5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Provides machine-payable AI chat completions via x402 USDC micropayment rails, returning bounded assistant responses for AI agent use.","exampleAgentPrompt":"Ask the DDG agent service a question — something like 'explain quantum entanglement in two sentences' — and pay the $0.01 USDC fee automatically using x402 to get back the assistant's answer.","exampleUseCases":[{"title":"On-demand AI answers for autonomous agents","prompt":"I need my agent to ask 'what are the top three risks of deploying smart contracts without audits?' and pay for each answer automatically with USDC — use the DDG x402 chat endpoint and give me back whatever the assistant says."},{"title":"Pay-per-call LLM without subscriptions","prompt":"Query the DDG chat completion service with the message 'summarize the key differences between proof-of-work and proof-of-stake' and settle the $0.01 USDC charge via x402 — no subscription needed, just pay as you go."},{"title":"Agent pipeline step with crypto-settled AI","prompt":"In my automated research pipeline, send 'list five emerging battery technologies for electric vehicles' to the DDG agent-payable chat API, auto-pay with multi-chain USDC, and return the assistant's response for downstream processing."}],"resultDescription":"Returns a JSON object with ok:true, a choices array containing assistant messages (role + content), and a receipt object confirming the x402 protocol payment settlement.","failureModes":["Payment not settled — x402 handshake fails, returns 402 with payment instructions","Malformed request body — missing required input/output fields returns validation error","Insufficient USDC balance — payment rejected before completion is served","Provider backend unavailable — upstream LLM service unreachable, returns 5xx","Unsupported HTTP method — only POST/PUT/PATCH accepted, others return 405"],"whenToPreferThis":"Choose this endpoint when your AI agent needs pay-per-call LLM completions billed in USDC via the x402 protocol without requiring a subscription or API key account — ideal for autonomous agents that need to self-fund queries on-chain and receive bounded, auditable results with payment receipts.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T18:42:50.041Z","isFirstParty":false,"canonicalSlug":"ddg-agent-payable-chat-completions-dd58afed"}