{"uid":"cap_MN5SbRT03bjrugahnaqF1","slug":"fastapi-online-image-invert-colors-c740c733","name":"fastapi.online — Image Invert Colors","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-invert-colors","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"file":{"type":"string","format":"binary","description":"Image file (PNG/JPEG/WebP)"}}},"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":"down","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_pxGtNQ6QlXons6GM5yQc_","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":"Inverts the colors of an uploaded image (PNG, JPEG, or WebP), producing a negative-style result","exampleAgentPrompt":"Can you invert the colors of this image for me? I want a negative/inverted version of my photo.png — just upload the file and get back the color-flipped result.","exampleUseCases":[{"title":"Dark mode UI asset preparation","prompt":"I have a PNG icon that's designed for light backgrounds — can you invert its colors so it works on dark backgrounds instead?"},{"title":"Film negative effect for creative projects","prompt":"Take this JPEG photo and invert all its colors so it looks like an old film negative — I want to use it as a creative visual effect."},{"title":"Accessibility contrast flipping","prompt":"I need to invert the colors of this WebP image to check how it looks in high-contrast inverted mode for accessibility testing."}],"resultDescription":"Returns a processed image file with all pixel color values inverted (each channel value replaced by 255 minus its original value), effectively producing a color negative of the input image.","failureModes":["Unsupported file format submitted — only PNG, JPEG, and WebP are accepted","File too large for processing — may return a payload error","Corrupted or malformed image binary — returns an error response","Payment not fulfilled (x402) — returns 402 Payment Required before processing"],"whenToPreferThis":"Choose this endpoint when you need a straightforward, per-call color inversion of an image with no signup required, paying only $0.001 USDC per call via crypto. Ideal for lightweight automation pipelines that occasionally need to negate image colors without subscribing to a full image editing SaaS.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T08:26:20.292Z","isFirstParty":false}