Update Mailbox Signature

Create or update the email signature for a single mailbox (campaign).

  • If no signature exists, Mailivery will create one.
  • If a signature already exists, only the fields you provide will be updated.

Use this endpoint to keep mailbox signatures in sync with your CRM, HR system, or onboarding flows.

Path Params
integer
required

Campaign Id

Body Params
string
required
length between 2 and 255

Company name.

string
required
length between 2 and 155

Job position or title.

string
required
length between 2 and 255

Street address.

string
required
length between 1 and 155

City name.

string
required
length between 1 and 155

State or province.

string
required
length between 1 and 55

Postal or ZIP code.

string
required
length ≤ 2048

Additional signature content or disclaimer.

Headers
string
required

Any Uniquie string, timestap or UUID for Logging

string
required
Defaults to application/json

Request Content-Type (must be application/json)

string
required
Defaults to application/json

Expected Type for response

Responses

400

Validation error – missing or invalid fields

401

Unauthorized – Invalid or missing API token

403

Team not found or not accessible

404

Campaign not found or not accessible

500

Signature update failed due to server error

Language
Credentials
Bearer
URL
Response
Click Try It! to start a request and see the response here! Or choose an example:
application/json