Upload Skill Version

POST/v1/skills/{skill_id}/versions

Upload a new ZIP bundle as the next version (200 OK). The ZIP layout is the same as Create Skill (one top-level folder containing SKILL.md). Send default=true to make it the default version. List versions with GET /v1/skills/{skill_id}/versions, read one with GET /v1/skills/{skill_id}/versions/{version}, and download one with GET /v1/skills/{skill_id}/versions/{version}/content. Version identifiers are strings.

Path parameters

stringskill_idrequired

Skill ID (skl_ prefix).

Headers

Optional<string>Idempotency-Key

Optional. When omitted the service generates one, so a retried request can create a duplicate. Send your own stable key for retries.

Request body

multipart/form-data.

filefilesrequired

ZIP archive, up to 5 MiB.

Optional<string>default

true or false.

curl -X POST https://api.sandbase.ai/v1/skills/skl_3c5e7a9b-1d4f-5a6c-8e2b-4d6f8a0c2e57/versions \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Idempotency-Key: release-notes-v2" \
  -F "files=@release-notes-v2.zip;type=application/zip" \
  -F "default=true"

Response200 OK

{
  "object": "skill.version",
  "id": "skl_3c5e7a9b-1d4f-5a6c-8e2b-4d6f8a0c2e57:2",
  "skill_id": "skl_3c5e7a9b-1d4f-5a6c-8e2b-4d6f8a0c2e57",
  "version": "2",
  "name": "release-notes",
  "description": "Draft release notes from merged changes.",
  "created_at": 1791360000
}