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Pixel Art Sprite Sheet Release Publisher
Pixel Art Sprite Sheet Release Publisher is a paid API for AI agents from pixelart.withzero.xyz, paid per call via MPP, $0.02/call, status unknown (last checked 2026-09-11).
Publishes a content-addressed PNG sprite sheet and deterministic JSON engine manifest for a pixel art canvas, returning immutable release URLs
Price / call$0.02
Success—
StatusUnknown
How this service works
Publish a content-addressed PNG sprite sheet and deterministic JSON engine manifest. Repeating the same source and layout returns the same immutable release URLs. Full agent guide: https://pixelart.withzero.xyz/llms.txt
Output
Returns a release object containing immutable URLs for the PNG sprite sheet and JSON engine manifest, a 64-character hex release ID, source and sprite sheet hashes, sheet dimensions (width, height, columns, rows), scale and padding values, per-frame bounding boxes (x, y, width, height, frameIndex), total sprite sheet file size in bytes, and a boolean indicating whether this is a newly created release or a previously cached identical one.
Example use cases
Example prompt
“Publish a sprite sheet release from my canvas abc123 with a scale of 2, 4 columns, and 1 pixel of padding between frames.”
Technical details
Endpoint
POSThttps://pixelart.withzero.xyz/api/v1/canvas/{id}/sprite-sheet-releasesWhen to prefer
Use this endpoint when you need to package a pixel art canvas into an engine-ready, immutable sprite sheet with deterministic content-addressed URLs. It is idempotent — identical source and layout parameters always return the same URLs, making it safe to call repeatedly without creating duplicates. Prefer this over a GIF export when you need raw frame data and a JSON manifest for game engines or rendering pipelines.
Side effects
- Canvas ID not found — 404 if the canvas does not exist
- Invalid scale value — 400 if scale is outside 1–8
- Invalid padding value — 400 if padding exceeds 16
- Invalid columns value — 400 if columns exceeds 1024
- Payment failure — endpoint requires $0.02 USDC per call
- Canvas has no frames — error if canvas contains no drawable content
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| scalerequired | integer | Nearest-neighbor integer scale. Default 1. |
| columns | integer | Frame columns. Defaults to ceil(sqrt(frameCount)). |
| paddingrequired | integer | Transparent gap in source pixels. Default 0. |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| rowsrequired | integer | |
| scalerequired | integer | |
| widthrequired | integer | |
| framesrequired | array | |
| heightrequired | integer | |
| columnsrequired | integer | |
| createdrequired | boolean | False when this exact content-addressed release already existed. |
| paddingrequired | integer | |
| releaseIdrequired | string | |
| sourceHashrequired | string | |
| manifestUrlrequired | string | |
| spriteSheetUrlrequired | string | |
| spriteSheetHashrequired | string | |
| spriteSheetSizeBytesrequired | integer |
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