{"uid":"cap_Av4xvZXmixvaXgxFUHk4D","slug":"fastapi-online-image-q-a-e590c047","name":"fastapi.online Image Q&A","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/image-qa","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"file":{"type":"string","format":"binary","description":"Image file (PNG/JPEG/WebP)"},"question":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0015","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":"$0.0015/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0015","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0015","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_gvUnJ0pbk1qe0ygksI4XX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0015","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Answers natural-language questions about an uploaded image using a self-hosted visual question-answering model","exampleAgentPrompt":"Look at this photo of my living room and tell me: does the furniture arrangement leave enough space near the window?","exampleUseCases":[{"title":"Product image detail extraction","prompt":"Here's a product photo from a supplier — can you tell me what the label says and whether there's a barcode visible on the packaging?"},{"title":"Field inspection photo analysis","prompt":"I've uploaded a photo of the building facade taken during inspection — does it show any visible cracks or water damage on the exterior walls?"},{"title":"Menu or document quick question","prompt":"I have a photo of a restaurant menu — what's the price listed for the grilled salmon dish?"}],"resultDescription":"A natural-language text answer to the posed question, grounded in the content of the uploaded image — e.g. object identification, count, color, text readout, spatial relationship, or scene description depending on what was asked.","failureModes":["Unsupported image format returns an error — only PNG, JPEG, and WebP are accepted","Very low-resolution or heavily compressed images may yield vague or incorrect answers","Questions requiring world knowledge beyond the image content may produce hallucinated or uncertain responses","Missing 'question' field results in a request validation error","Payment failure or insufficient USDC balance blocks the call with a 402 response"],"whenToPreferThis":"Choose this endpoint when you need to ask a specific, targeted question about image content rather than a generic caption — ideal for extracting precise details (text, counts, attributes, spatial relationships) from photos without building or hosting your own VQA model. At $0.0015 per call with no signup required and pay-per-use crypto billing, it suits low-volume or ad-hoc agent workflows where spinning up a dedicated vision API account isn't justified.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:49:22.723Z","isFirstParty":false}