{"uid":"cap_4oGh8GX26F7eYHRU9Xda4","slug":"overwing-guardrail-api-f9a98322","name":"Overwing Guardrail API","description":"Overwing guardrail: check text before you send, post, or act on it. Content moderation, PII detection, confidential leak detection, toxicity, self-harm and severity in ~150 ms. Returns a verdict plus one recommended_action (block / redact / review / allow) with calibrated confidence. Pass context (recipient, channel, owns_contact_info) with the outbound-message set. $0.002 USDC, no account.","url":"https://overwing.ai/api/x402/execute?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"string","maxLength":100000,"description":"The text to check: a draft message, a model's output, an incoming message, a post"},"context":{"type":"object","description":"Facts the rules may use: recipient, channel (email, chat, public post), owns_contact_info (true when the recipient already owns the personal data in the text), sender, purpose. Max 8 KB"},"metadata":{"type":"object","description":"Opaque data stored with the verdict (max 8 KB). The input text and context are not stored"},"rule_set":{"enum":["content-safety","outbound-message"],"type":"string","default":"content-safety","description":"content-safety: toxicity, personal data, self-harm, sexual content, severity. outbound-message: the same plus unauthorized personal data and confidential leaks, judged against context"}}},"responseSchema":{"type":"json","example":{"id":"eval_aBcDeFgHiJkLmNoP","paid":{"network":"base","protocol":"x402","price_usd":0.002},"results":[{"rule":"unauthorized_pii","type":"noul","action":"redact","answer":false,"verdict":"pass","confidence":0.88,"probability":0.94},{"rule":"confidential_leak","type":"noul","action":"block","answer":false,"verdict":"pass","confidence":0.94,"probability":0.97},{"rule":"toxicity","type":"choice","action":"block","answer":"safe","verdict":"pass","confidence":1,"probability":1}],"verdict":"pass","confidence":0.88,"latency_ms":173,"aggregate_score":1,"recommended_action":"allow"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_670Z3KxgZg4DvxstpKnbR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks text for toxicity, PII, confidential leaks, self-harm, and sexual content, returning a verdict and recommended action (block/redact/review/allow) in ~150ms","exampleAgentPrompt":"Before sending this customer support reply, run it through Overwing with the outbound-message rule set — the recipient is a customer on our chat channel and we don't own their contact info — and block it if it fails: 'Hi Jane, your order #12345 ships to 123 Main St, Springfield on Friday.'","exampleUseCases":[{"title":"AI chatbot output safety screening","prompt":"Before my chatbot sends this response to a user, check it for toxicity, self-harm content, and PII using the content-safety rule set and block it if anything fails: 'I understand you're feeling hopeless — here's my personal phone number, call me anytime.'"},{"title":"Outbound email PII leak prevention","prompt":"Screen this draft email for unauthorized personal data and confidential leaks before we send it — use the outbound-message rule set, recipient is a client on email channel, and we do not own their contact info: 'Attached is our client list including SSNs and home addresses for your review.'"},{"title":"User-generated post moderation","prompt":"Check this forum post for toxicity and sexual content before it goes live, using the content-safety rule set, and tell me whether to block, redact, or review it: 'I hate everyone in this thread and they should all go to hell, here's a link to explicit content.'"}],"resultDescription":"Returns a JSON object with a top-level verdict (pass/fail/review), an overall confidence score (0–1), a recommended_action (block/redact/review/allow), a unique evaluation ID, latency in milliseconds, and an array of per-rule results each containing the rule name, type, verdict, action, answer, confidence, and probability.","failureModes":["Text exceeds 100,000 character limit — request rejected","Invalid rule_set value — must be 'content-safety' or 'outbound-message'","Context or metadata object exceeds 8 KB limit — request rejected","Payment of $0.002 USDC not provided or invalid — request blocked","Malformed input body missing required 'input' field — 400 error","Network latency spike causing response beyond ~150ms SLA"],"whenToPreferThis":"Choose Overwing when you need sub-200ms content safety decisions with a single unified verdict and actionable recommendation (block/redact/review/allow) — especially for outbound message pipelines where you need both standard toxicity/PII checks AND confidential-data-leak detection in one call. Prefer it over heavier moderation pipelines when you need no account setup, pay-per-call pricing at $0.002 USDC, and context-aware judgment (recipient, channel, data ownership) baked into the ruling.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:37:19.717Z","isFirstParty":false,"canonicalSlug":"overwing-guardrail-api-f9a98322"}