coss.comdocs

Retrieve a document

GET
/v1/sign/documents/{id}

Authorization

bearerAuth
headerAuthorizationBearer <token>

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

Path Parameters

id*string

The document's id.

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

The document.

application/json
  1. response
object*"sign_document"
Value in"sign_document"
id*string
filename*string
size*integer

Bytes.

sha256*string

Hex SHA-256 of the uploaded bytes.

page_count*integer
pages*array<>

Each page's size, in order.

anchors*array<>

Text anchors ({{signature:signer_1}}) found in the document, which fields can be placed by.

sandbox*boolean
created_at*string
Formatdate-time
import { Coss } from "coss";const coss = new Coss({  apiKey: process.env.COSS_API_KEY,  baseUrl: "https://api.coss.com",});const { data, error } = await coss.sign.documents.get("sdoc_01k7c8m4q2f3e9v6t5r1n0p8yz");
{  "object": "sign_document",  "id": "sdoc_01k7c8m4q2f3e9v6t5r1n0p8yz",  "filename": "agreement.pdf",  "size": 48213,  "sha256": "9f2c6c0f0e1d4b7a8c5e3f2a1b0c9d8e7f6a5b4c3d2e1f0a9b8c7d6e5f4a3b2c",  "page_count": 2,  "pages": [    {      "width": 612,      "height": 792    },    {      "width": 612,      "height": 792    }  ],  "anchors": [    {      "text": "{{signature:signer_1}}",      "page": 2,      "x": 72,      "y": 640,      "width": 140,      "height": 12    }  ],  "sandbox": false,  "created_at": "2026-10-26T15:04:05.000Z"}