{"uid":"cap_pjBGGeczBPabIWlXDNJUm","slug":"stability-ai-audio-to-audio-dc719cb7","name":"Stability AI Audio To Audio","description":"Transform an existing audio file guided by a text prompt.","url":"https://stability-ai.mpp.paywithlocus.com/stability-ai/audio-to-audio?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["audio","prompt"],"properties":{"seed":{"type":"number","description":"Random seed"},"audio":{"type":"string","description":"Input audio file Send a public HTTPS URL (recommended; files up to 10 MiB) or base64/data URI. Hosted MPP JSON requests must stay below 8 KiB, so use a URL for larger files."},"model":{"type":"string","description":"stable-audio-2.5 | stable-audio-2 (default)"},"steps":{"type":"number","description":"Inference steps (default 50)"},"prompt":{"type":"string","description":"Transformation description"},"strength":{"type":"number","description":"Transformation intensity 0–1 (default 1)"},"output_format":{"type":"string","description":"mp3|wav"}},"additionalProperties":true},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["image-generation","stable-diffusion","upscaling","3d","ai","media"],"displayCostAmount":"0.23","displayCostAsset":"USDC","priceDynamic":true,"priceHint":"$0.23 (50 steps, stable-audio-2)","priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":1,"rating":{"score":"0.00","successRate":"0.00","reviews":1,"stars":null,"state":"rated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"dynamic","summary":"$0.23 (50 steps, stable-audio-2) (dynamic)","primary":{"kind":"dynamic","protocol":"mpp","network":"tempo","amountUsd":"0.23","per":"call","confidence":"exact"},"accepted":[{"kind":"dynamic","protocol":"mpp","network":"tempo","amountUsd":"0.23","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hsS3CNXwBu0TuTkhM7wTY","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.23","costPer":"request","priority":0,"asset":"0x20c000000000000000000000b9537d11c60e8b50","unit":"request","depositMicros":null,"planRef":null}],"brandName":"Stability AI","brandSlug":"stability-ai","brandBaseUrl":"https://stability.ai","brandDocsUrl":"https://platform.stability.ai/docs/api-reference","whatItDoes":"Transforms an input audio file using a text prompt to guide the style or character of the output audio","exampleAgentPrompt":"Take this audio file and transform it to sound like a dramatic orchestral score — use the stable-audio-2.5 model with a transformation strength of 0.8 and output it as a wav file.","exampleUseCases":[{"title":"Restyle guitar riff as synthwave","prompt":"I have a recorded guitar riff — can you transform it to sound like a retro synthwave track with pulsing electronic beats and neon vibes? Use a transformation strength of 0.7 and give me the output as an mp3."},{"title":"Convert podcast voice to radio broadcast","prompt":"Take this podcast audio clip and restyle it so it sounds like a polished 1940s radio broadcast with that warm, vintage announcer character. Use stable-audio with a high number of inference steps and output it as a wav file."},{"title":"Transform ambient sound to horror atmosphere","prompt":"I've got a simple rain and nature recording — please transform it into a tense, eerie horror atmosphere with dark undertones and unsettling ambient textures. Use a transformation strength of 0.85 and return it as a wav file."}],"resultDescription":"Returns a transformed audio file (mp3 or wav) generated by the Stability AI stable-audio model, where the input audio has been restyled according to the text prompt with the specified transformation strength and inference steps.","failureModes":["Missing required 'audio' field returns a 400 validation error","Missing required 'prompt' field returns a 400 validation error","Invalid model name (not 'stable-audio-2.5' or 'stable-audio-2') may cause a model-not-found error","Strength value outside 0–1 range may cause a validation error","Unsupported output_format value returns a format error","Service unavailability or model overload returns a 503 error","Payment failure or insufficient USDC balance prevents call execution"],"whenToPreferThis":"Choose this endpoint when you need to restyle or transform an existing audio file guided by a natural language prompt, using Stability AI's stable-audio models. Prefer it over text-to-audio endpoints when you have a source audio file you want to preserve as a base and modify rather than generating audio from scratch.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":2,"lastUsedAt":"2026-07-31T14:00:20.144Z","lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T06:47:14.350Z","isFirstParty":false,"canonicalSlug":"stability-ai-audio-to-audio-dc719cb7"}