{"uid":"cap_ujv-MCbt0iAqN5g175lFZ","slug":"scriptmasterlabs-fda-warning-letters-api-bd2fe79a","name":"ScriptMasterLabs FDA Warning Letters API","description":"Pay-per-call crypto, RWA, federal, SEC, and compliance APIs. Settled in USDC on Base via x402. Hyphen routes only (e.g. /x402/rwa-aggregates, /x402/gas-tracker).","url":"https://acp-x402-discovery.onrender.com/x402/fda-warning-letters","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"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_KFEVWXEV6_RjyZi0az3ft","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":"Retrieves FDA warning letters data via a pay-per-call endpoint settled in USDC on Base via the x402 protocol","exampleAgentPrompt":"Can you pull the latest FDA warning letters so I can check if any recent enforcement actions have been issued against pharmaceutical or food companies?","exampleUseCases":[{"title":"Due diligence on supplier compliance","prompt":"I'm vetting a potential food supplier — can you fetch any FDA warning letters associated with their industry so I can check their compliance history before we sign a contract?"},{"title":"Monitoring pharma regulatory risk","prompt":"Pull the most recent FDA warning letters for pharmaceutical manufacturers so I can flag any companies in our portfolio that have received enforcement notices."},{"title":"Regulatory research for compliance report","prompt":"I need to compile a summary of recent FDA warning letters issued for dietary supplements — can you retrieve that data so I can include it in our quarterly compliance report?"}],"resultDescription":"Returns a collection of FDA warning letters including details such as the issuing office, recipient company or individual, subject matter, date issued, and letter content or reference — enabling regulatory compliance review and enforcement monitoring.","failureModes":["Payment not settled — x402 payment in USDC on Base must be completed before data is returned","Empty result set if no matching warning letters are found for the given filters","Malformed or missing query properties causing a 400-level error","Service unavailability on the Render-hosted endpoint causing a 503 timeout","Schema mismatch if the underlying FDA data source changes structure"],"whenToPreferThis":"Choose this endpoint when you need programmatic, pay-per-call access to FDA warning letter data settled via crypto (USDC on Base) without a subscription, particularly useful for AI agents that need on-demand regulatory compliance lookups for due diligence, risk monitoring, or research workflows. Prefer this over manual FDA.gov searches when automation and structured data output are required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:49:06.664Z","isFirstParty":false}