{"uid":"cap_IWdzK0CZWipChSGRgrvt-","slug":"x402-endpoint-inspector-vextorium-72445903","name":"x402 Endpoint Inspector (Vextorium)","description":"Check any x402 endpoint before paying, without paying: price in USD per network, asset (flags anything that is not official USDC), pay-to address and whether it is a contract, authorization timeout, Bazaar metadata, and risk alerts with a clear verdict.","url":"https://api.vextorium.com/x402-inspector-pago?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"required":["url"],"properties":{"url":{"type":"string","description":"Full URL of the x402 endpoint"},"cuerpo":{"type":"object","description":"Optional JSON body to send (some endpoints price by input)"},"metodo":{"enum":["POST","GET"],"type":"string","description":"HTTP method (POST default, or GET)"}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":["object","null"],"properties":{"url":{"type":["string","null"]},"nota":{"type":["string","null"]},"alertas":{"type":["array","null"],"items":{"type":["null","object"],"properties":{"nivel":{"type":["string","null"]},"mensaje":{"type":["string","null"]}}}},"es_x402":{"type":["boolean","null"]},"veredicto":{"type":["string","null"]},"descripcion":{"type":["string","null"]},"ficha_bazaar":{"type":["boolean","null"]},"version_x402":{"type":["number","null"]},"tipo_respuesta":{"type":["string","null"]},"opciones_de_pago":{"type":["array","null"],"items":{"type":["null","object"],"properties":{"red":{"type":["null","string"]},"activo":{"type":["null","string"]},"esquema":{"type":["null","string"]},"pagar_a":{"type":["null","string"]},"precio_usd":{"type":["null","number"]},"red_nombre":{"type":["null","string"]},"importe_unidades":{"type":["null","string"]},"pagar_a_es_contrato":{"type":["boolean","null"]},"tiempo_max_segundos":{"type":["null","number"]},"activo_es_usdc_oficial":{"type":["boolean","null"]}}}}}}}}}},"responseSchema":{"type":"json","example":{"url":"https://api.vextorium.com/validar-iban-pago","nota":"Inspección sin pagar. Comprueba siempre que la dirección de cobro es la que esperas.","alertas":[{"nivel":"info","mensaje":"En Base el destinatario es un contrato, no una wallet normal."}],"es_x402":true,"veredicto":"ok","descripcion":"IBAN validation (ISO 13616 mod-97 and per-country length, SEPA membership; for Spain also the national CCC check digits and bank name). Computed locally, IBA...","ficha_bazaar":true,"version_x402":2,"tipo_respuesta":"application/json","opciones_de_pago":[{"red":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","activo":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","esquema":"exact","pagar_a":"HcjfmZLgWRZzwj4deEiS7pewc4KBYSw39mW5nTyt3pz2","precio_usd":0.003,"red_nombre":"Solana","importe_unidades":"3000","pagar_a_es_contrato":null,"tiempo_max_segundos":300,"activo_es_usdc_oficial":true},{"red":"eip155:8453","activo":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","esquema":"exact","pagar_a":"0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf","precio_usd":0.003,"red_nombre":"Base","importe_unidades":"3000","pagar_a_es_contrato":true,"tiempo_max_segundos":300,"activo_es_usdc_oficial":true}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_X5-e6Rp6FRqFFObNM7pJ7","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Inspects any x402 payment-gated endpoint before paying — returning price, asset safety, payee address, contract status, authorization timeout, Bazaar metadata, and risk alerts with a verdict.","exampleAgentPrompt":"Before I pay, inspect this x402 endpoint for me — https://some-api.example.com/paid-route — tell me the price in USD, what asset and network it uses, whether the payment address is a contract, and flag any risks.","exampleUseCases":[{"title":"Safety check before agent payment","prompt":"I'm about to have my agent call a paid x402 API at https://data-provider.xyz/premium-feed — can you inspect it first and tell me the price, whether it uses official USDC, and if there are any risk alerts I should know about?"},{"title":"Auditing unknown x402 API","prompt":"I found this x402 endpoint https://unknown-service.io/api/query in a marketplace listing — please inspect it, check if the pay-to address is a contract, what network it runs on, and give me a verdict on whether it looks legitimate."},{"title":"Comparing payment terms across endpoints","prompt":"Check https://api.competitor.com/endpoint for its x402 payment details — I want to know the price in USD, the authorization timeout in seconds, and whether it has a Bazaar metadata record."}],"resultDescription":"A structured JSON response containing: whether the URL is a valid x402 endpoint, the x402 protocol version, all payment options (network, asset, price in USD, raw amount, payee address, whether payee is a contract, whether asset is official USDC, authorization timeout in seconds), a Bazaar metadata flag, a description, a list of risk alerts each with a severity level and message, and a final plain-language verdict.","failureModes":["Target URL is not an x402 endpoint — es_x402 returns false with no payment options","Target URL is unreachable or times out — error response with no data","Endpoint returns malformed x402 headers — partial data with warnings","Asset is not official USDC — flagged in activo_es_usdc_oficial field as false","Payee address is a smart contract — flagged with pagar_a_es_contrato true and a risk alert"],"whenToPreferThis":"Use this endpoint whenever an agent needs to evaluate an x402 payment-gated API before committing funds — especially when the endpoint is unknown, found via a marketplace, or when you want to verify asset authenticity, payee legitimacy, and risk posture without actually transacting. Ideal for agentic workflows that must gate payment decisions on safety checks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T04:23:29.706Z","isFirstParty":false,"canonicalSlug":"x402-endpoint-inspector-vextorium-72445903"}