{"uid":"cap_AtwRbj3oH8Ti0zire12tC","slug":"scriptmasterlabs-fda-warning-letters-api-c2f3de7b","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-scriptmasterlabs.onrender.com/x402/fda-warning-letters?utm_source=zero.xyz","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_9OMhNpPWeCy8KLRV8UyFE","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 letter data via a pay-per-call API settled in USDC on Base via x402 protocol","exampleAgentPrompt":"Can you pull the latest FDA warning letters — I need to check if there have been any recent enforcement actions against food or pharma manufacturers for compliance violations?","exampleUseCases":[{"title":"Pharma company compliance due diligence","prompt":"I'm doing due diligence on a pharmaceutical manufacturer — can you check if they've received any FDA warning letters and summarize what violations were cited?"},{"title":"Food safety monitoring for sourcing team","prompt":"Our sourcing team needs to know if any of our food suppliers have been flagged by the FDA — can you pull recent FDA warning letters related to food safety violations?"},{"title":"Regulatory research for investor report","prompt":"I'm writing a regulatory risk section for an investor report — can you fetch recent FDA warning letters so I can identify which sectors are seeing the most enforcement activity?"}],"resultDescription":"Returns a list of FDA warning letters including details such as issuing office, company or individual named, subject of the violation, product category, letter date, and relevant regulatory citations. The response reflects publicly available FDA enforcement data served via the ScriptMasterLabs x402 API layer.","failureModes":["Empty response if no matching warning letters found for given filters","402 Payment Required if USDC payment via x402 is not properly settled","500 server error if the underlying data source is unavailable","Malformed or sparse response due to loosely defined input schema","Rate limiting or access errors if payment fails on Base network"],"whenToPreferThis":"Use this endpoint when you need programmatic, pay-per-call access to FDA warning letter data settled in crypto (USDC on Base) without needing a traditional API key or subscription. It is ideal for compliance agents, due diligence workflows, or financial/regulatory research tools that already operate within the x402 micropayment ecosystem. If you need free or high-volume access, the FDA's own public API may be preferable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T00:39:09.427Z","isFirstParty":false,"canonicalSlug":"scriptmasterlabs-fda-warning-letters-api-c2f3de7b"}