The Supplier.io API access is granted by the use of API Key and a Customer ID. The API Key and Customer ID will be needed to authenticate every API call made.
The API Key and Customer ID can be provided in one of three ways:
- Included in the query string
- Included in the API Call headers
- Using Basic Auth: Username is the Customer ID and the Password is the API Key
NOTE: OAuth 2.0 is not supported