{"uid":"cap_3asuSqsvlzqm_3s9X6z-_","slug":"telago-korea-execution-intelligence-x402-preflight-api-cd4a0773","name":"TELAGO Korea Execution Intelligence x402 Preflight API","description":"Pay-per-call Korea execution intelligence for AI agents: address geocoding, building access, last-meter delivery, field service, robotics and cross-border logistics.","url":"https://telago-x402-discovery.vercel.app/x402/preflight?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["url"],"properties":{"url":{"type":"string","format":"uri","maxLength":1200,"minLength":12}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"ok":true,"checks":{"https":true,"reachable":true,"publicHost":true,"returns402":true,"amountValid":true,"payToPresent":true,"acceptsPresent":true,"networkPresent":true,"challengeParsed":true,"eip712DomainPresent":true},"product":"X402_ENDPOINT_PREFLIGHT_API","reasons":[],"verdict":"PAYABLE","httpStatus":402,"x402Version":2,"selectedAccept":{"asset":"0x...","payTo":"0x...","network":"eip155:8453","amountUsd":0.001,"amountAtomic":"1000"}}},"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_CUBQuFhkFT5jI_LZzmi4o","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":"Checks whether a given URL is a valid, payable x402 endpoint before committing a micropayment for Korea execution intelligence services","exampleAgentPrompt":"Before I pay to call the Korea address geocoding endpoint at https://telago-x402-discovery.vercel.app/x402/geocode, can you do a preflight check to confirm it's reachable, returns a proper 402 challenge, and tell me the exact USDC amount and wallet address I'd be paying?","exampleUseCases":[{"title":"Pre-flight check for Korea delivery API","prompt":"I want to call the TELAGO last-meter delivery endpoint at https://telago-x402-discovery.vercel.app/x402/delivery — can you verify it's a valid payable x402 endpoint and tell me the network, payment amount in USDC, and the payTo wallet address before I commit?"},{"title":"Validate Korea geocoding endpoint before integration","prompt":"We're building an agent that calls a Korea address geocoding API at https://telago-x402-discovery.vercel.app/x402/geocode — run a preflight check to confirm it's reachable, supports x402 version 2, and has a valid EIP-712 domain present."},{"title":"Inspect x402 challenge for robotics field service","prompt":"Check whether https://telago-x402-discovery.vercel.app/x402/robotics is a payable x402 endpoint — I need to know if the 402 challenge parses correctly, what amount in USDC it requires, and whether the Base network is configured properly."}],"resultDescription":"Returns a JSON object with a PAYABLE/NOT_PAYABLE verdict, a detailed breakdown of individual checks (HTTPS, reachability, public host, 402 response, amount validity, payTo address, accepted network, challenge parsing, EIP-712 domain), the HTTP status, x402 protocol version, and the selected payment parameters including asset contract address, payTo wallet, network identifier, USD amount, and atomic amount.","failureModes":["Target URL is unreachable — reachable check returns false, verdict is not PAYABLE","Target URL does not return HTTP 402 — returns402 check fails","EIP-712 domain missing or malformed — eip712DomainPresent check fails","payTo address absent from 402 response — payToPresent check false","Amount invalid or zero — amountValid check false","Non-public or localhost host provided — publicHost check false","URL format invalid — input validation error before any network call","Network identifier missing from challenge — networkPresent check false"],"whenToPreferThis":"Use this endpoint when your agent needs to confirm that a TELAGO Korea execution intelligence URL is a properly configured, payable x402 endpoint before spending USDC. It is the right choice when you want to inspect EIP-712 payment challenge details, confirm the Base network and payTo wallet, or validate API health as part of an automated agent workflow — particularly for Korea-specific logistics, geocoding, building access, field service, or robotics APIs that use x402 micropayment gating.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-17T06:41:12.468Z","isFirstParty":false,"canonicalSlug":"telago-korea-execution-intelligence-x402-preflight-api-7cf28818"}