Invalid Refresh Token
The refresh token you send does not exist at all.
Solution
Fetch a new token using the Authenticate endpoint.
Learning resources
Tutorials
- Authentication steps - Walk through how to authenticate and retrieve an access token.
- When your token expires, hit refresh and protect your API key - Use refresh tokens to retrieve a new access token when yours expires.
Tools
You can cut down on mistakes by using one of our clients. We offer clients for our API in these languages: