{"uid":"cap_wLkHqQKhMi3wHqRE5bykN","slug":"fastapi-online-spam-detection-debc4079","name":"fastapi.online Spam Detection","description":"Chat, embeddings, OCR, speech-to-text, image editing, image understanding (captioning/Q&A), text-to-speech, translation, writing tools, classification tools, developer tools, local utilities, format/checksum validators, encoding & crypto utilities, date/time calculators, geo/coordinate math, math & finance calculators, novelty tools, and business/social writing generators — 179 endpoints in all, across multiple specialized self-hosted models. Pay per call with crypto — no signup — or get an API key.","url":"https://api.fastapi.online/spam-detect","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string","maxLength":8000,"minLength":1}}},"responseSchema":null,"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_GaLUsiRu--g0TgqSzNDPL","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":"Classifies a given text as spam or not spam using a self-hosted AI model","exampleAgentPrompt":"Can you check if this message is spam: 'Congratulations! You've been selected for a free iPhone — click here now to claim your prize before it expires!'?","exampleUseCases":[{"title":"Screening user-submitted comments","prompt":"Before I publish this comment on my blog, can you check if it's spam? Here it is: 'Great post! Visit my site at cheapmeds247.com for the best deals on Rx drugs, no prescription needed!'"},{"title":"Email inbox spam filtering","prompt":"I have an email that just came in — can you tell me if this looks like spam: 'Dear valued customer, your account has been compromised. Send us your password immediately to restore access at support-login-verify.net.'?"},{"title":"Screening contact form submissions","prompt":"Someone just submitted our website contact form — check if this is spam before I reply: 'Hi! We can get you 10,000 Instagram followers for just $5. DM us on WhatsApp +1-800-555-1234 to get started today!'"}],"resultDescription":"Returns a classification indicating whether the submitted text is spam or not spam, likely including a confidence score or probability value indicating the model's certainty in the prediction.","failureModes":["Empty or missing text field returns validation error","Text exceeding 8000 character limit is rejected","Network timeout if the self-hosted model is under load","Payment failure if insufficient USDC balance for the $0.001 per call fee","Ambiguous or borderline content may produce low-confidence results"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-call spam classifier with no signup required, especially for one-off checks or low-volume workflows. At $0.001 per call it is cost-effective for moderate volumes. Prefer it over heavier NLP pipelines when you just need a binary spam/not-spam classification on short text up to 8000 characters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:57:21.747Z","isFirstParty":false}