Refresh Token

POST/api/v1/oauth2/refresh

Exchange refresh token for new access token.

Operation ID: refresh_token·View as markdown·OpenAPI slice

Authentication

Bearer token authentication. Pass your DayZero API token in the Authorization header and the target business UUID in x-business-id.

Responses

200Successful Response

Schema: OAuthTokenResponse

access_tokenstringrequired: The access token (JWT)
token_typestring: Token type (always 'Bearer')
expires_inintegerrequired: Access token lifetime in seconds
refresh_tokenstring: Refresh token for obtaining new access tokens
scopestring: Granted scope (may differ from requested)
business_idstring: MCP grants bound to one business: that business's id. Absent when the grant reaches every business the user can.
business_namestring: MCP grants bound to one business: that business's name

422Validation Error

Schema: ErrorResponse

errorstringrequired: Error category: validation_error, unauthorized, forbidden, not_found, conflict, rate_limited, server_error, or service_unavailable.
messagestringrequired: Human-readable explanation, safe to show to end users.
codestringrequired: Stable machine-readable code in CATEGORY_NNN form (e.g. NOT_FOUND_006, AUTH_010, GEN_002).
request_idstring: Correlation id for support requests. Echoes the x-request-id request header when one was supplied.
errorsobject: Field-level validation messages keyed by field name. Present on 400/422 validation failures only.

Code samples

POST/api/v1/oauth2/refresh

bash

curl -X POST 'https://api.ondayzero.com/api/v1/oauth2/refresh' \
  -H 'Authorization: Bearer dz_your_token' \
  -H 'x-business-id: YOUR_BUSINESS_ID' \
  -H 'Content-Type: application/json' \
  -d ''