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Artefaktum Upload New Artifact Version
x402
Artefaktum Upload New Artifact Version is a paid API for AI agents from api.artefaktum.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-11-01).
Initiates a new artifact version upload by returning a presigned PUT URL for the file bytes, with pricing based on file size
Price / call$0.01
Success—
StatusUnknown
How this service works
Store a new version of an artifact the wallet owns, kept for 30 days: returns a presigned PUT URL for its bytes. Body: filename, content_type, size_bytes. Price by size_bytes: $0.01 up to 10 MiB, $0.05 up to 100 MiB, $0.50 up to 1 GiB. After the PUT, POST /v1/artifacts/{id}/versions/{version_id}/complete (free, sign-in-with-x). No signup: a wallet's first payment creates its account and a default project; the same wallet later reaches the same files.
Output
Returns a presigned PUT URL that the caller uses to upload the file's raw bytes directly to object storage. After the PUT completes, the caller must POST to /v1/artifacts/{id}/versions/{version_id}/complete to finalize the version. Also returns a version_id for tracking.
Example use cases
Versioned ML model checkpoint storage
“Save a new version of my model artifact def456 on Artefaktum — the file is model_checkpoint.bin, it's application/octet-stream, and it's 52000000 bytes.”
Pipeline output artifact archiving
“I just ran my data pipeline and need to store the output report on Artefaktum — artifact ID is xyz789, filename is pipeline_output.parquet, content type is application/parquet, and it's 8000000 bytes.”
Large dataset upload for a research project
“Upload a new version of dataset artifact qrs321 to Artefaktum — the file is named survey_data_2024.csv, it's text/csv, and the size is 95000000 bytes.”
Technical details
Endpoint
POSThttps://api.artefaktum.dev/v1/artifacts/:artifact_id/uploads?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to store a new version of an existing artifact owned by your wallet on Artefaktum, especially when file sizes range from small (under 10 MiB at $0.01) to large (up to 1 GiB at $0.50). It is the correct entry point for any versioned file write operation on the platform. Prefer it over generic S3 or cloud storage when you need wallet-based ownership, automatic 30-day retention, versioning, and lineage tracking without a separate signup flow.
Side effects
- size_bytes exceeds 1 GiB limit — request rejected
- artifact_id does not belong to the paying wallet — unauthorized error
- Invalid or missing content_type — validation error
- Insufficient USDC balance to cover the size-tiered price — payment failure
- Presigned URL expires before the PUT is completed — upload must be restarted
- Missing required fields (filename, content_type, size_bytes) — 422 validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| run_id | — | |
| filename | string | |
| size_bytes | integer | |
| content_type | string | |
| infer_lineage | boolean |
Tags
x402
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