{"access":{"authentication":{"format":"L402 {macaroon}:{proof_of_payment}","header":"Authorization","protocols":["L402","MPP"],"format_mpp":"Payment <base64url_json>"},"endpoint":"https://sats4ai.com/api/l402/colorize-image","method":"POST"},"content_type":"api","cover_url":"","description":"Colorize black-and-white photos using DDColor (ICCV 2023). Dual-decoder architecture produces vivid, realistic colors. Generating color pixel data is impossible for text/vision LLMs. 5 sats per image, no API key or signup needed.\n\nSend the image as base64:\n```\n{ \"image\": \"<base64>\" }\n```","name":"Photo Colorization","pricing":[{"tier":"Standard","amount":5,"currency":"SATS"}],"response_body":{"image_url":{"type":"string","description":"URL to the colorized image (temporary, download promptly)"}},"quality":{"model":"DDColor","paper":"DDColor: Towards Photo-Realistic Image Colorization via Dual Decoders (ICCV 2023)","benchmark":"ImageNet colorization","scores":{"FID":22.33},"source":"https://paperswithcode.com/paper/ddcolor-towards-photo-realistic-image"}}