{"uid":"cap_zTK7pYoIeTSg0oPmmBF41","slug":"northline-agent-services-validate-149b66d0","name":"Northline Agent Services Validate","description":"Pay-per-call APIs, paid downloads and work-on-request for agents. Payment: x402 (USDC on Base, eip155:8453), no accounts or API keys. Catalog: https://206-81-14-131.sslip.io/?format=json. Agent guide: https://206-81-14-131.sslip.io/llms.txt","url":"https://206-81-14-131.sslip.io/svc/agent-services/validate?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0025","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":"$0.0025/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0025","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0025","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Fhzy5BvSmZtYaXJRlqbvN","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0025","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates agent service requests or inputs via a pay-per-call API endpoint using x402 micropayments on Base","exampleAgentPrompt":"Can you validate this agent service request against the Northline validator and tell me if it passes — I just need a quick check before I proceed?","exampleUseCases":[{"title":"Pre-flight check for agent workflow","prompt":"Before I submit this job to the agent pipeline, can you run it through the Northline validator to make sure all the parameters are correct and it will be accepted?"},{"title":"Sanity check on automated request","prompt":"I'm building an automated workflow and I want to verify that the request structure I've put together passes Northline's validation — can you check it for me?"},{"title":"Debugging failed agent service call","prompt":"My agent service call keeps getting rejected — can you run it through the Northline validate endpoint to see what's wrong with it?"}],"resultDescription":"Returns a validation result indicating whether the agent service request or input data is valid, along with any relevant status codes or error details explaining why it passed or failed.","failureModes":["Payment not provided or insufficient — returns 402 Payment Required","Invalid or malformed request parameters — returns validation failure","Network timeout or service unavailability — returns 5xx error","Request format not recognized — returns 400 Bad Request"],"whenToPreferThis":"Use this endpoint when you need a lightweight, no-account-required validation check on agent service inputs before committing to more expensive downstream operations. Ideal for agents operating in automated workflows where pre-validation reduces wasted calls. The x402 micropayment model means no signup overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T18:50:41.555Z","isFirstParty":false,"canonicalSlug":"northline-agent-services-validate-149b66d0"}