{"uid":"cap_aw0zdI0d9rQaGkoR86dQc","slug":"24k-labs-image-grayscale-sepia-converter-ca3de75d","name":"24K Labs Image Grayscale/Sepia Converter","description":"Convert an image to grayscale (or sepia).","url":"https://api.24klabs.ai/api/image-grayscale","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"image_b64":{"type":"string"}}},"responseSchema":{"type":"json","example":{"format":"PNG"}},"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_duL3NVbpUDIDiw3SmKl4j","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":"Converts a color image to grayscale or sepia tone via a simple POST request, returning the transformed image.","exampleAgentPrompt":"Can you convert this image to grayscale for me? Here's the image URL: https://example.com/photo.jpg — I want a plain black-and-white version.","exampleUseCases":[{"title":"Black-and-white portrait processing","prompt":"Take this portrait photo at https://example.com/portrait.jpg and convert it to grayscale so I can use it in a print layout."},{"title":"Vintage sepia effect for old-look photos","prompt":"Apply a sepia filter to this image — https://example.com/landscape.jpg — I want that old vintage brownish look."},{"title":"Accessibility-friendly UI asset generation","prompt":"I need a desaturated version of our hero image at https://mysite.com/hero.png for a grayscale design mockup — can you convert it to black and white?"}],"resultDescription":"Returns the processed image data (likely base64-encoded PNG or JPEG) with the original colors removed or tinted sepia, ready to display or save.","failureModes":["Invalid or inaccessible image URL returns an error","Unsupported image format may cause processing failure","Network timeout if the source image is very large","Missing required image input returns a 400 bad request"],"whenToPreferThis":"Choose this endpoint when you need a quick, low-cost ($0.002 USDC) grayscale or sepia conversion without setting up a full image-processing pipeline. Ideal for agents automating document workflows, design tasks, or content pipelines that need color-stripped image variants on demand.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:31:29.055Z","isFirstParty":false}