Get a commit object

Gets a Git commit object.

To get the contents of a commit, see "Get a commit."

Signature verification object

The response will include a verification object that describes the result of verifying the commit's signature. The following fields are included in the verification object:

Name	Type	Description
verified	boolean	Indicates whether GitHub considers the signature in this commit to be verified.
reason	string	The reason for verified value. Possible values and their meanings are enumerated in the table below.
signature	string	The signature that was extracted from the commit.
payload	string	The value that was signed.
verified_at	string	The date the signature was verified by GitHub.

These are the possible values for reason in the verification object:

Value	Description
expired_key	The key that made the signature is expired.
not_signing_key	The "signing" flag is not among the usage flags in the GPG key that made the signature.
gpgverify_error	There was an error communicating with the signature verification service.
gpgverify_unavailable	The signature verification service is currently unavailable.
unsigned	The object does not include a signature.
unknown_signature_type	A non-PGP signature was found in the commit.
no_user	No user was associated with the committer email address in the commit.
unverified_email	The committer email address in the commit was associated with a user, but the email address is not verified on their account.
bad_email	The committer email address in the commit is not included in the identities of the PGP key that made the signature.
unknown_key	The key that made the signature has not been registered with any user's account.
malformed_signature	There was an error parsing the signature.
invalid	The signature could not be cryptographically verified using the key whose key-id was found in the signature.
valid	None of the above errors applied, so the signature is considered to be verified.