API Explorer
Fetch a specific spec version
Returns the immutable OpenAPI document published under the given SemVer tag.
Use this when a consumer needs to pin to a specific contract — e.g. CI
regenerating SDKs from 1.2.3 even after 1.3.0 ships. Returns 404 if either
the API or that specific tag does not exist.
Authorization
BearerAuth AuthorizationBearer <token>
Bearer token. Either a Personal Access Token (pat_...) or a Service Account
Token (sat_...). Issued via the Spec0 dashboard or /me/personal-access-tokens.
In: header
Path Parameters
orgSlug*string
apiName*string
tag*string
SemVer tag (e.g. "1.0.0", "2.1.3")
Response Body
application/json
application/json
application/json
application/json
curl -X GET "https://app.spec0.io/api/v1/public/registry/string/string/versions/string""string"{
"error": "string",
"message": "string"
}{
"status": 0,
"title": "string",
"detail": "string",
"type": "string",
"instance": "string"
}{
"status": 0,
"title": "string",
"detail": "string",
"type": "string",
"instance": "string"
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