{"uid":"cap_0hnNwnqymrWbjSoo8PPI5","slug":"scriptmasterlabs-mcp-x402-chat-completions-crypto-rwa-federal-data-api-d067507e","name":"ScriptMasterLabs MCP x402 Chat Completions — Crypto, RWA & Federal Data API","description":"Pay-per-call crypto, RWA, federal, SEC, Section 8/HUD housing, and compliance APIs via x402. Primary: USDC on Base (eip155:8453). Also accepts Global Dollar (USDG) on Robinhood Chain (eip155:4663) via sovereign X-PAYMENT-TX. Hyphen routes only (e.g. /x402/gas-tracker, /x402/pha-lookup, /x402/sec-8k). MARKETPLACE REVIEW: use free /x402/playground/* (no key, no payment). Production /x402/* returns 402 unless paid via x402 or X-Api-Market-Key / X-API-Key from seller dashboard.","url":"https://mcp-x402-discovery.onrender.com/x402/chat/completions","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"model":{"type":"string"},"messages":{"type":"array"},"max_tokens":{"type":"integer"}}},"responseSchema":{"example":{}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_zbxqP5ZdCtH8bYgrzwO6R","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Pay-per-call chat completions endpoint that routes queries to specialized data APIs covering crypto, RWA, federal, SEC filings, Section 8/HUD housing, and compliance data, paid via x402 micropayments in USDC on Base.","exampleAgentPrompt":"Can you pull up the latest SEC 8-K filing data for Tesla and also check current gas fees on Base — I'll pay per call using USDC via x402.","exampleUseCases":[{"title":"SEC 8-K filing lookup for compliance","prompt":"Look up the most recent SEC 8-K filings for Coinbase — I need to check any material event disclosures they made in the last quarter."},{"title":"Section 8 PHA housing authority search","prompt":"Find me Public Housing Authority information for the Dallas, TX area — I'm trying to understand Section 8 voucher availability and eligibility requirements there."},{"title":"On-chain gas tracker for Base network","prompt":"What are the current gas fees on the Base network right now? I need to know before I submit a batch of transactions."}],"resultDescription":"Returns a chat completion response object containing AI-generated answers drawn from specialized data sources including SEC filings, HUD/Section 8 housing records, crypto gas metrics, RWA data, and federal compliance databases. The response follows a standard chat completion format with the answer in the message content.","failureModes":["402 Payment Required — request lacks valid x402 USDC payment or X-Api-Market-Key header","Invalid model parameter causes request rejection","Malformed messages array results in a processing error","Payment on unsupported chain or token type is rejected","Rate limiting or quota exceeded on the Render-hosted service","Empty or missing messages array returns an error","Service downtime on Render free tier causes 503 responses"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call access to specialized niche datasets — SEC filings, HUD/Section 8 housing data, crypto gas metrics, and federal compliance data — through a conversational chat interface, and you want to pay per query using USDC micropayments via x402 rather than maintaining a subscription. Ideal for agents that need occasional, targeted lookups across these specific domains without committing to a flat-rate API plan.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:43:19.619Z","isFirstParty":false}