coss.comdocs

List received emails

GET
/v1/received_emails

Emails received by the API key's environment, newest first, without their bodies and headers (retrieve one for those). Pass the last id as after to get the next page while has_more is true. An email.received webhook announces each one as it arrives.

Authorization

bearerAuth
headerAuthorizationBearer <token>

A secret API key from the dashboard: coss_live_… for production environments, coss_test_… for sandbox environments.

Query Parameters

limit?integer

1-100, default 20.

Range1 <= value <= 100
after?string

Cursor: the id of the last email of the previous page.

Lengthlength <= 64

Header Parameters

Coss-Version?"2026-10-10"

The API version (a date) to use for this request. Defaults to your organization's version, pinned to the latest one when it first used the API and upgraded from the dashboard. The SDK always sends the version it was built for.

Value in"2026-10-10"

Response Body

A page of received emails.

application/json
  1. response
object*"list"
Value in"list"
data*array<>
has_more*boolean
import { Coss } from "coss";const coss = new Coss({  apiKey: process.env.COSS_API_KEY,  baseUrl: "https://api.coss.com",});const { data, error } = await coss.email.received.list();
{  "object": "list",  "data": [    {      "object": "received_email",      "id": "rcvd_01k7c8m4q2f3e9v6t5r1n0p8yz",      "status": "received",      "blocked_reason": null,      "mail_from": "jane@example.com",      "recipients": [        "support@inbound.acme.com"      ],      "from": "Jane Doe <jane@example.com>",      "to": [        "support@inbound.acme.com"      ],      "cc": [],      "subject": "Re: Your order",      "message_id": "<CAF3k2m9qp4ld8sv@mail.example.com>",      "attachments": [        {          "id": "rcvdatt_01k7c8m4r0c2b8w9y3d5f6g7h8",          "filename": "invoice.pdf",          "content_type": "application/pdf",          "content_id": null,          "disposition": "attachment",          "size": 48213        }      ],      "size": 61432,      "spam": false,      "verdicts": {        "spam": "pass",        "virus": "pass",        "spf": "pass",        "dkim": "pass",        "dmarc": "pass",        "dmarc_policy": null      },      "sandbox": false,      "received_at": "2026-10-10T12:00:00.000Z"    }  ],  "has_more": false}