{"uid":"cap_mpfdRTtSHOgaNMk7sTQtV","slug":"synthora-endpoint-trust-b8475ca5","name":"SYNTHORA Endpoint Trust","description":"SYNTHORA endpoint-trust: trust verdict for any x402 endpoint before paying it — 402 correctness, valid accepts/payTo, bazaar extensions, agent-card published, latency. Observed behavior, not declarations. The pre-payment check for buying agents. $0.005 USDC x402 Base.","url":"https://api.hergertsynthora.com/v1/endpoint-trust","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"string","description":"SYNTHORA endpoint-trust: trust verdict for any x402 endpoint before paying it — 402 correctness, valid accepts/payTo, bazaar extensions, agent-card published, latency. Observed behavior, not declarati"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_IYoHED6FtTnS0f9PCPcSL","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs a pre-payment trust verification of any x402 endpoint — checking 402 correctness, valid payment fields, bazaar extensions, agent-card publication, and latency based on observed behavior.","exampleAgentPrompt":"Before I pay that x402 endpoint at https://api.example.com/v1/some-service, run a SYNTHORA trust check on it — I need to know if the 402 headers are correct, the payTo address is valid, it has a published agent card, and what the latency looks like.","exampleUseCases":[{"title":"Pre-payment vetting of unknown agent API","prompt":"I found a new x402 endpoint on bazaar that claims to do DeFi analytics — before I let my agent pay it, can you run a SYNTHORA trust check on https://api.unknownprovider.com/v1/defi-signal to see if the 402 implementation is legit and the payTo address is valid?"},{"title":"Agent fleet payment guardrail","prompt":"My autonomous agent is about to call and pay a dozen x402 endpoints tonight — can you run SYNTHORA endpoint-trust checks on each one starting with https://api.someagent.com/v1/data so I can block any that have bad 402 responses or missing agent cards?"},{"title":"Bazaar listing compliance audit","prompt":"I'm about to list my x402 service on bazaar and want to know if it passes all the checks — can you use SYNTHORA to probe https://api.myservice.com/v1/endpoint and tell me if the accepts field, payTo, bazaar extensions, and agent card are all correctly configured?"}],"resultDescription":"Returns an observed-behavior trust verdict for the given x402 endpoint, including: whether the 402 response is correctly formed, validity of the accepts and payTo payment fields, compliance with bazaar protocol extensions, whether an agent card is published, and measured latency — all based on live probing rather than self-declared metadata.","failureModes":["Target endpoint is unreachable or times out — trust verdict returns as unresolvable","Target endpoint does not respond with a 402 status — check fails or returns non-compliant result","Malformed input URL causes request rejection","Target endpoint blocks automated probes — partial or incomplete trust data returned","SYNTHORA itself returns 402 if caller has not paid the $0.005 USDC fee"],"whenToPreferThis":"Choose this endpoint when an AI agent or autonomous system is about to make a payment to an x402-gated API and needs an objective, observed-behavior trust verdict rather than relying on self-declared metadata. Especially valuable before first-time payments to unknown providers discovered on bazaar or agentic.market, when building payment guardrails into agent workflows, or when auditing your own x402 endpoints for spec compliance.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:54:36.467Z","isFirstParty":false}