Guide
Authentication
Authenticate sales tax API requests with a bearer key. Create a key, store it on your server, and send it in the Authorization header.
Send the key in the Authorization header
Create a key in the dashboard, store it as a server environment variable, and send it with every API request. The API uses one key type and one API origin.
Request headerHTTP
Authorization: Bearer $SALESTAX_API_KEYKeep the key private. Do not put it in browser code, mobile apps, URLs, logs, or a public repository.