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Five API turns a text prompt, an image, a set of reference assets or an existing clip into a short video. You send one HTTPS request, Five API generates the video in the background, and you get an MP4 back by webhook or by polling.

Quickstart

Create an API key and generate your first video in a few minutes.

API reference

Every endpoint, parameter and response, with an interactive playground.

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What you can build

Text to video

Describe a scene and get a video, with optional synchronized audio.

Image to video

Animate a photo, a product shot or an illustration.

Reference to video

Keep characters, motion and sound from your own reference assets.

Video extend

Continue an existing clip seamlessly, with matched audio.

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Models

Video Fast 1.0 generates audio with every video. On the Wan models and Video Fast Extend, audio is optional: send generate_audio: true on text to video, image to video and video extend. See Models for the details of each model and how to choose.

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How it works

1

Create a task

POST /v1/{brand}/{version}/{task}, for example POST /v1/wan/v3.0-spark/image-to-video. The model id is the path. Five API validates the request, holds the estimated price in credits and answers at once with a queued task.
2

Wait for the result

Receive a signed task.completed webhook, or poll GET /v1/tasks/{task_id} every few seconds.
3

Download the video

output.video.url is a plain HTTPS download of the MP4. Results are kept for 7 days.

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Why Five API

Each model has its own endpoint and a published JSON input schema (GET /v1/models), so you always know which fields and values a model accepts.
Credits are held when a task is accepted and charged only when it completes. Failed and cancelled tasks are released in full, and a rejected request (any 4xx) never costs anything.
Signed webhooks with automatic retries, safe retries with Idempotency-Key, stable error codes, a request id on every response, per-key scopes and IP allowlists.
Install the Five API agent skill or connect the docs MCP server and let your coding agent write the integration.

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Get help

Email support@fiveapi.ai and include the X-Request-Id of the request you are asking about. Account, keys, credits and webhooks are managed in the developer console.