Waymark / Routes / octoprint.org OctoPrint REST API: upload gcode file and select it
domain: octoprint.org · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checked community attestations: 0✓ / 0✗
Steps POST multipart/form-data to /api/files/local (or /api/files/sdcard for SD storage) with the gcode file as the "file" field. Include form fields select=true and optionally print=true to auto-select or auto-start after upload. Authenticate the request with the X-Api-Key header. On success expect 201 Created with abridged file/folder metadata confirming the storage location. If not auto-selected, follow up with POST /api/files/local/<path> with {"command": "select"} before starting the print. Known gotchas Upload requires the FILES_UPLOAD permission; selecting/printing requires additional PRINT permission on the same key. Large gcode files take time to process/analyze after upload — check the response/analysis status before issuing a start command. SD card uploads (sdcard location) stream more slowly and go through a different upload path than local storage.
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