Set the signature of many mailboxes
One template for many mailboxes, chosen by address, by domain or all: true. The variables make it personal: each mailbox signs with its own name. Fields you leave out stay as each mailbox has them. clear: true removes the mailboxes' own signatures instead.
| Cost | What it does | Key scopes |
|---|---|---|
| Free | Writes | argorant:manage_lists |
Authorization
BearerAuth Your API key from app.argorant.com/profile, sent as Authorization: Bearer <key>. A connector sign-in token (ag_mcp_...) works the same way.
In: header
Header Parameters
Any unique text up to 128 characters. A retry with the same key and the same body within 24 hours returns the first answer (with the header Idempotent-Replayed: true) instead of doing the work twice. The same key with another body answers 409 idempotency_conflict.
length <= 128Your own id for this request, 8 to 64 letters, digits, dot, dash or underscore. Returned as X-Request-Id; one is made for you when you send none.
^[A-Za-z0-9._-]{8,64}$Request Body
application/json
TypeScript Definitions
Use the request body type in TypeScript.
Response Body
application/json
application/json
application/json
application/json
application/json
application/json
application/json
application/json
curl -X POST "https://app.argorant.com/api/v1/inboxes/signature/bulk" \ -H "Idempotency-Key: 6f1c2e7a-run-42" \ -H "Content-Type: application/json" \ -d '{ "domains": [ "northgate-advisory.com" ], "template": "Best,\\n{{first_name}}\\n{{company}}", "company": "Northgate Advisory" }'{ "ok": true, "requested": 50, "updated_count": 50, "cleared": false}