--- title: "Transform images with Ideogram 4.5 image-to-image, by asset id or by uploaded bytes" method: POST path: "/v2/images/edit/ideogram-4.5" tags: ["images-edit"] --- # Transform images with Ideogram 4.5 image-to-image, by asset id or by uploaded bytes `POST /v2/images/edit/ideogram-4.5` Generate a new image conditioned on one or more source images, with an optional prompt to guide the transformation. Supply the sources either as `image_asset_identifiers` references (images already stored with Ideogram) or as raw `images` bytes (multipart requests only) — callers are never required to upload assets first. If both are supplied, the references win and the bytes are ignored. The first source is the primary image being transformed; any further sources are additional references. By default the request blocks until the output image is ready and returns it in `data`. Set `async` to true to return immediately after the request is accepted, then poll for completion and results with `GET /v1/generations/{generation_id}` using the returned `generation_id`. Supplying a `webhook_url` makes the request asynchronous whatever `async` says: the response returns as soon as the request is accepted, and the finished result is POSTed to that URL. ## Request body - EditImageIdeogram45Request — Supply the source images either as `image_asset_identifiers` references or (multipart requests only) as raw `images` bytes. At least one source is required; if both forms are given, the references are used and the bytes are ignored. The first source is the primary image being transformed; any further sources are additional references. - `prompt` string — Optional guidance for the transformation. Image-to-image conditions on the source images, so the model can run from the sources alone. - `magic_prompt` 'AUTO' | 'ON' | 'OFF' — Determine if MagicPrompt should be used in generating the request or not. - `image_asset_identifiers` AssetIdentifier[] — Existing upload or generated image assets to transform, by reference. Takes priority over `images` if both are supplied. - `asset_type` 'ASSET' | 'CANVAS_ASSET' | 'LAYERED_ASSET' | 'RESPONSE' | 'UPLOAD', required - `asset_id` string, required - `images` string[] — The source images to transform (max 5, max size 25MB per image), as raw bytes; only JPEG, PNG, and WEBP formats are supported. Multipart requests only; ignored if `image_asset_identifiers` is also supplied. - `num_images` integer — The number of output images to generate. - `size` string — The output size: either "auto" (the default) or an exact size formatted as "WIDTHxHEIGHT", for example "1024x1024" or "1152x768". With "auto", the output uses the supported resolution closest to the first source image's dimensions. An exact size must have both dimensions multiples of 32 and at least 256px, the total size at most 2048x2048 pixels, and the aspect ratio at most 6:1. Pricing is tiered by total pixels: up to 1024x1024 bills as 1K, above that as 2K. - `rendering_speed` 'TURBO' | 'DEFAULT' | 'QUALITY' — The rendering speed to use. - `seed` integer — Random seed. Set for reproducible generation. - `async` boolean — When false (the default), the request blocks until the output image is ready and returns it in `data`. When true, the request returns as soon as it is accepted; poll for completion and results with `GET /v1/generations/{generation_id}` using the returned `generation_id`. - `webhook_url` string, uri — HTTPS URL that Ideogram delivers the generated result to. Ideogram sends a JSON POST to this URL once all images for the request have finished generating. The body mirrors the synchronous generate response: `request_id`, `created`, and a `data` array containing every generated image (`url`, `prompt`, `resolution`, `seed`, `is_image_safe`). Each delivery is signed with Ed25519 and verifiable against the public keys at `https://api.ideogram.ai/v1/.well-known/jwks.json`. Must be HTTPS; private and loopback hosts and the cloud metadata service are rejected. - `private` boolean, nullable — When true or omitted, the output is kept private to your account. Set to false to publish the output to the public feed. Enterprise accounts always generate privately. - `target_collection_id` string — A collection you can write to, by its URL-safe base64 collection id. The output images are added to it when the request completes. ## Response `200` The output image (synchronous requests), or an acknowledgement to poll with `GET /v1/generations/{generation_id}` (`async` requests). - EditImageIdeogram45Response — Response returned by `POST /v2/images/edit/ideogram-4.5`. Synchronous requests (the default) include the output image in `data`. Requests with `async` set to true omit `data`; poll for completion and results with `GET /v1/generations/{generation_id}` using the returned `generation_id`. The seed reports the value the request resolved to when the caller left it unset. - `generation_id` string, required — URL-safe base64 ID of the accepted generation. Accepted by the `GET /v1/generations/{generation_id}` polling endpoint. - `data` EditImageObject[] — The output images, in generation order. Present only for synchronous requests (`async` omitted or false). - `url` string, uri, nullable — The direct link to the edited image. Empty when the image did not pass safety checks. - `prompt` string, required — The edit instruction the image was generated from. - `resolution` string, required — The resolution of the edited image, formatted as "WIDTHxHEIGHT". - `is_image_safe` boolean, required — Whether the image passed safety checks. If false, `url` is empty. - `seed` integer, required — Random seed. Set for reproducible generation. - `seed` integer, required — Random seed. Set for reproducible generation. - `width` integer, required — The output width in pixels this request resolved to. - `height` integer, required — The output height in pixels this request resolved to. ## Other responses - `400` — Invalid input provided. - `401` — Unauthorized. - `402` — Insufficient credits or quota. - `404` — A referenced source asset was not found. - `422` — The prompt did not pass safety checks. - `429` — Too many requests. - `500` — Internal server error. - `503` — The endpoint is temporarily unavailable. ## Changes - **2026-08-27** `3eb3216eed39` — 2 info - added the new optional request property `webhook_url` (media type: multipart/form-data) - added the new optional request property `webhook_url` (media type: application/json) - **2026-08-26** `204996bf317a` — 2 warning, 6 info - removed the request property `resolution` (media type: multipart/form-data) - removed the request property `resolution` (media type: application/json) - added the new optional request property `private` (media type: multipart/form-data) - added the new optional request property `private` (media type: application/json) - …4 more - **2026-08-21** `898026c78d68` — 2 info - added the new optional request property `magic_prompt` (media type: multipart/form-data) - added the new optional request property `magic_prompt` (media type: application/json) - **2026-08-19** `73707bc35f34` — 1 info - endpoint added [Change history](https://skmtc.dev/ideogram/apis/ideogram-openapi-3-0/changes/v2/images/edit/ideogram-4.5/post.md) --- [API](https://skmtc.dev/ideogram/apis/ideogram-openapi-3-0.md) · [All operations](https://skmtc.dev/ideogram/apis/ideogram-openapi-3-0/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/ideogram/ideogram-openapi-3-0/revisions/3eb3216eed39/schema)