# Create a domain key Create a domain key. Note that once private keys are created or imported they are never exported. Alternatively, you can import an existing PEM file containing a RSA private key in PKCS #1, ASn.1 DER format. Note, the pem can be passed as a file attachment or as a form-string parameter. Endpoint: POST /v1/dkim/keys Version: 3.0.0 Security: basicAuth ## Request fields (multipart/form-data): - `signing_domain` (string, required) Signing domain to be used for the new domain key - `selector` (string, required) Selector to be used for the new domain key - `bits` (integer) Key size, can be 1024 or 2048 - `pem` (string) Private key PEM file ## Response 200 fields (application/json): - `signing_domain` (string, required) - `selector` (string, required) - `dns_record` (any) ## Response 401 fields (application/json): - `message` (string, required) Response message