{"id":"beddef6b-cbce-45d7-ad18-3d64c8b62188","shortId":"25Tx8J","kind":"mpp","title":"Edit images with GPT Image 1 via micropayment — pay per call with USDC on Base, no API key needed.","tagline":"Edit images with GPT Image 1 via micropayment — pay per call with USDC on Base, no API key needed.","description":"This endpoint provides image editing using OpenAI's GPT Image 1 model, accessed through StableStudio's pay-per-generation platform. You POST a prompt and one or more reference image URLs (previously uploaded via StableStudio's file upload flow) and receive an edited image. Payment is handled inline via the MPP protocol: an unauthenticated request returns a 402 challenge with USDC payment requirements on Base (EIP-155:8453), and a signed payment header on the subsequent request triggers the job. The endpoint costs $0.009–$0.20 per edit depending on quality settings.\n\nThe request body accepts a text prompt (required), an array of image URLs (required), plus optional parameters for quality (low/medium/high), output size (1024×1024, 1536×1024, 1024×1536, or auto), input fidelity (high/low), background transparency, output format (png/jpeg/webp), compression level, and moderation strictness. The response returns a jobId with status \"pending\"; you then poll GET /api/jobs/{jobId} with a SIGN-IN-WITH-X wallet signature header until the job completes and returns the output image URL.\n\nNote: The listing URL uses the path segment \"gpt-image-1\" but the OpenAPI spec and documentation reference the model as \"gpt-image-1.5\". The actual edit endpoint in the spec is at /api/generate/gpt-image-1.5/edit. The probe did not capture a 402 challenge on this specific endpoint (it returned 405 on HEAD/GET since it only accepts POST), but the OpenAPI spec confirms the route is live and documents the payment flow. Images for editing must first be uploaded through StableStudio's three-step upload flow ($0.01 per upload). Settlement uses USDC on Base or pathUSD on Tempo L2.","tags":["image","video","generation","nano-banana","gpt-image","grok","flux","sora","veo","seedance","wan"],"capabilities":["image-editing","gpt-image-1","prompt-based-editing","transparent-background","multi-image-input","micropayment-402","usdc-on-base","tempo-settlement","async-job-polling","multiple-output-formats"],"categories":["vision","image"],"synonyms":["GPT image edit","OpenAI image editing","AI image manipulation","image inpainting","image modification API","GPT-4o image edit","pay-per-use image editing","stablestudio image edit","gpt-image-1.5 edit"],"warnings":["Probe returned 405 because HEAD/GET were used; this POST-only endpoint was not probed with the correct HTTP method","Listing URL uses path 'gpt-image-1/edit' but the OpenAPI spec defines the route as 'gpt-image-1.5/edit' — verify the correct path","Images must be pre-uploaded via the paid upload flow ($0.01) before they can be used in edit requests","Requires a crypto wallet with USDC on Base (or pathUSD on Tempo) — no fiat payment option documented"],"endpointUrl":"https://stablestudio.dev/api/generate/gpt-image-1/edit","protocol":"mpp","transport":"http","auth":{"type":"mpp","details":{"realm":"stablestudio.dev","intent":"charge","method":"tempo","service_methods":{"tempo":{"assets":["0x20c000000000000000000000b9537d11c60e8b50"],"intents":["charge"]}}}},"qualityScore":"0.780","qualityRationale":"Full OpenAPI schema with detailed input/output definitions, comprehensive guidance docs, and clear pricing. The probe returned 405 (not 402) because HEAD/GET were used on a POST-only endpoint, so the endpoint is not confirmed broken — just not probed with the correct method. The listing URL path says 'gpt-image-1' but the spec says 'gpt-image-1.5', creating a minor naming 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'/api/generate/gpt-image-1.5/edit':243 '/api/jobs':186 '0.009':123 '0.01':295 '0.20':124 '1':6,25,49,219 '1.5':233 '1024':153,154,156,157 '1536':155,158 '402':97,250 '405':258 '8453':107 'AI image manipulation' 'GPT image edit' 'GPT-4o image edit' 'OpenAI image editing' 'accept':134,264 'access':51 'actual':235 'api':17,36 'array':140 'async-job-polling' 'auto':160 'background':164 'base':15,34,104,302 'bodi':133 'call':11,30 'captur':248 'challeng':98,251 'complet':201 'compress':169 'confirm':270 'cost':122 'depend':127 'document':225,276 'edit':1,20,43,82,126,236,282 'eip':105 'endpoint':40,121,237,255 'fidel':162 'file':76 'first':284 'flow':78,279,294 'format':167 'generat':58 'get':185 'gpt':4,23,47,217,231 'gpt-imag':216,230 'gpt-image-1' 'gpt-image-1.5 edit' 'handl':86 'head/get':260 'header':112,197 'high/low':163 'imag':2,5,21,24,42,48,69,83,142,206,218,232,280 'image inpainting' 'image modification API' 'image-editing' 'inlin':87 'input':161 'job':119,200 'jobid':178,187 'key':18,37 'l2':307 'level':170 'list':210 'live':274 'low/medium/high':150 'micropay':8,27 'micropayment-402' 'model':50,228 'moder':172 'mpp':90 'multi-image-input' 'multiple-output-formats' 'must':283 'need':19,38 'note':208 'one':65 'openai':45 'openapi':222,268 'option':146 'output':151,166,205 'paramet':147 'path':214 'pathusd':304 'pay':9,28,56 'pay-per-gener':55 'pay-per-use image editing' 'payment':84,101,111,278 'pend':181 'per':10,29,57,125,296 'platform':59 'plus':145 'png/jpeg/webp':168 'poll':184 'post':61,265 'previous':71 'probe':245 'prompt':63,137 'prompt-based-editing' 'protocol':91 'provid':41 'qualiti':129,149 'receiv':80 'refer':68,226 'request':94,116,132 'requir':102,138,144 'respons':175 'return':95,176,203,257 'rout':272 'segment':215 'set':130 'settlement':298 'sign':110,191 'sign-in-with-x':190 'signatur':196 'sinc':261 'size':152 'spec':223,240,269 'specif':254 'stablestudio':53,74,288 'stablestudio image edit' 'status':180 'step':292 'strict':173 'subsequ':115 'tempo':306 'tempo-settlement' 'text':136 'three':291 'three-step':290 'transpar':165 'transparent-background' 'trigger':117 'unauthent':93 'upload':72,77,286,293,297 'url':70,143,207,211 'usdc':13,32,100,300 'usdc-on-base' 'use':44,212,299 'via':7,26,73,88 'wallet':195 'x':194","prices":[{"id":"02782da0-ad01-4ef1-82bf-93cf3b7708ed","listingId":"beddef6b-cbce-45d7-ad18-3d64c8b62188","amountUsd":null,"unit":"per_call","nativeCurrency":"pathUSD","nativeAmount":null,"chain":"tempo","payTo":null,"paymentMethod":"mpp-tempo","isPrimary":true,"details":{"realm":"stablestudio.dev","intent":"charge","method":"tempo","dynamic":true,"decimals":6,"unit_type":null,"amount_hint":null,"raw_payment":{"intent":"charge","method":"tempo","dynamic":true,"currency":"0x20c000000000000000000000b9537d11c60e8b50","decimals":6,"description":"GPT Image 1 editing"},"asset_contract":"0x20c000000000000000000000b9537d11c60e8b50"},"createdAt":"2026-04-18T20:00:05.893Z"}],"sources":[{"listingId":"beddef6b-cbce-45d7-ad18-3d64c8b62188","source":"mpp_dev","sourceId":"stablestudio:POST:/api/generate/gpt-image-1/edit","sourceUrl":"https://mpp.dev/api/services","isPrimary":true,"firstSeenAt":"2026-04-18T20:00:05.893Z","lastSeenAt":"2026-04-22T04:15:10.175Z"}],"details":{"listingId":"beddef6b-cbce-45d7-ad18-3d64c8b62188","quickStartSnippet":"# 1. POST without payment to get 402 challenge\ncurl -X POST https://stablestudio.dev/api/generate/gpt-image-1.5/edit \\\n  -H 'Content-Type: application/json' \\\n  -d '{\"prompt\": \"Remove the background\", \"images\": [\"https://your-blob-url.vercel-storage.com/img.png\"]}'\n# Returns 402 with PAYMENT-REQUIRED header (base64 JSON)\n# 2. Decode challenge, sign USDC payment, re-POST with PAYMENT-SIGNATURE header\n# 3. Poll GET /api/jobs/{jobId} with SIGN-IN-WITH-X header until complete","exampleRequest":{"size":"1024x1024","images":["https://example.blob.vercel-storage.com/uploads/abc/photo.png"],"prompt":"Remove the background and make it transparent","quality":"high","background":"transparent","output_format":"png","input_fidelity":"high"},"exampleResponse":{"type":"gpt-image-1.5-edit","jobId":"a1b2c3d4-e5f6-7890-abcd-ef1234567890","status":"pending","success":true},"schema":{"path":"/api/generate/gpt-image-1/edit","method":"POST","payment":{"intent":"charge","method":"tempo","dynamic":true,"currency":"0x20c000000000000000000000b9537d11c60e8b50","decimals":6,"description":"GPT Image 1 editing"},"description":"GPT Image 1 editing"},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"GPT Image 1.5 edit costs $0.009–$0.20 per call","source_url":"https://stablestudio.dev"},{"claim":"Edit endpoint accepts prompt, images, quality, size, input_fidelity, background, output_format, output_compression, moderation parameters","source_url":"https://stablestudio.dev"},{"claim":"Payment uses USDC on Base (eip155:8453) or pathUSD on Tempo L2","source_url":"https://stablestudio.dev"},{"claim":"File upload costs $0.01 and uses a three-step flow via Vercel Blob","source_url":"https://stablestudio.dev"},{"claim":"Job polling uses SIGN-IN-WITH-X wallet signature authentication","source_url":"https://stablestudio.dev"}],"useCases":["Editing product photos by adding or removing elements via text prompt","Applying style transfers or modifications to existing images","Removing backgrounds or making them transparent for e-commerce assets","Compositing multiple reference images into a new edited output","Automated batch image editing in agent workflows without API key management"],"bestFor":["Agents needing on-demand image editing with no subscription or API key","Workflows requiring transparent background output (PNG with alpha)","Low-cost per-image editing at $0.009–$0.20 per call","Developers wanting crypto-native pay-per-use image editing"],"notFor":["Real-time or sub-second image editing (async job polling adds latency)","Users without a crypto wallet (requires USDC on Base or Tempo for payment)","Bulk editing thousands of images where subscription pricing would be cheaper"],"kindDetails":{"docs":{"llmsTxt":"https://stablestudio.dev/llms.txt","homepage":"https://stablestudio.dev"},"tags":["image","video","generation","nano-banana","gpt-image","grok","flux","sora","veo","seedance","wan"],"realm":"stablestudio.dev","status":"active","methods":{"tempo":{"assets":["0x20c000000000000000000000b9537d11c60e8b50"],"intents":["charge"]}},"provider":{"url":"https://stablestudio.dev","name":"Merit Systems"},"categories":["ai","media"],"service_id":"stablestudio","integration":"first-party","service_name":"StableStudio","service_description":"Pay-per-generation AI image and video creation — Nano Banana, GPT Image, Grok, Flux, Sora, Veo, Seedance, and Wan."},"updatedAt":"2026-04-22T04:15:10.175Z"}}