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POST
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Authorizations

Authorization
string
header
required

API key as Bearer token. Use an account key (mfx_acct_...) for /account/* endpoints, and an environment key (mfx_test_... for sandbox, mfx_live_... for live) for /environment/*, /faxes, /webhooks, and /events.

Body

application/json
name
string
required
Maximum string length: 255
email
string<email>
required
Maximum string length: 255

Response

RegistrationInitiatedResource

email
string<email>
required

The email address the activation code was sent to.

Example:

"dev@acme.com"

message
string
required

Human-readable confirmation message.

Example:

"Activation code sent. Valid for 15 minutes."

expires_in
integer
required

Seconds until the activation code expires.

Example:

900

Last modified on May 21, 2026