Downloading the TLS Certificates public keychain

Some web clients (such as cURL for Windows) will require you to download the Avalara AvaTax TLS public keychain and install it into your client’s keychain repository. Refer back to the steps below only if you have problems establishing the HTTPS connection to the Avalara AvaTax REST API. Both development and production use a Verisign certificate.

Root Certificate (directly from the CA)

1. Download the certificate.
2. Save the file in your preferred directory, with the name "root-certs-ca-bundle.crt".
3. Register the file following your standard certificate store process.

Intermediate Certificate (directly from the CA)

1. Download the certificate.
2. Save the file in your preferred directory, with the name "intermiediate-certs-ca-bundle.crt".
3. Register the file following your standard certificate store process.

End-Entity Certificate (AvaTax TLS certificate)

1. Download the certificate.
2. Save the file in your preferred directory, with the name "AvaTaxCertificate.cer".
3. Register the file following your standard certificate store process.