Carriers uses HTTPS (TLS) for transport layer security.
Transport layer encryption with HTTPS
All API endpoints must be served using HTTPS with TLS 1.2 or higher. API
clients must have common name (CN) checking turned on and the server's CN or
wildcards must match the hostname.
We strongly recommend using a certificate issued under a root certificate
included in the
Mozilla CA certification program
to reduce the level of maintenance necessary to keep this connection healthy.
However, if necessary, we do allow partners to issue self-signed certificates
that we can trust.
Cipher suites
The server must support at least one of these cipher suites and should not
support cipher suites outside of the following set:
ECDHE-ECDSA-AES128-GCM-SHA256
ECDHE-RSA-AES128-GCM-SHA256
ECDHE-ECDSA-CHACHA20-POLY1305
ECDHE-RSA-CHACHA20-POLY1305
ECDHE-ECDSA-AES128-SHA256
ECDHE-RSA-AES128-SHA256
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Last updated 2024-12-03 UTC.
[null,null,["Last updated 2024-12-03 UTC."],[[["All API endpoints must utilize HTTPS with TLS 1.2 or higher for secure communication."],["API clients must have common name (CN) checking enabled and the server's CN or wildcards must match the hostname to ensure proper authentication."],["While certificates issued under the Mozilla CA certification program are recommended, self-signed certificates are allowed with prior arrangement."],["Servers must support at least one of the specified cipher suites for encryption and should avoid using any outside the provided set for security and compatibility."]]],["Carriers must use HTTPS with TLS 1.2 or higher for all API endpoints, with common name checking enabled and matching hostnames. Using a certificate from the Mozilla CA program is recommended; self-signed certificates are permitted. If a certificate is revoked, a new one must be obtained immediately. Servers must support at least one of the listed cipher suites (e.g., ECDHE-ECDSA-AES128-GCM-SHA256) and must not support any outside of them.\n"]]