Create a document

Creates a new document in draft status. You must first upload the PDF with the Uploads API to obtain a storage_id.

POST/documents

Authorization

AuthorizationBearer token · headerrequired

Pass your API key as a Bearer token. API keys are scoped to specific operations — configure scopes in your organization's Settings → Developer → API Keys.

Request body

requiredapplication/json

titlestringrequired

Document title displayed to recipients

descriptionstring

storage_idstringrequired

Storage ID returned by the Uploads API

file_sizeintegerrequired

File size in bytes

file_typestring

default: "application/pdf"

page_countinteger

Number of pages in the document

deadlinestring<date-time>

Signing deadline — recipients cannot sign after this date

Responses

200

Document created

idstringrequired

400

Invalid request parameters

typestringrequired

Machine-readable error code

statusintegerrequired

HTTP status code

titlestringrequired

Human-readable error message

detailsobject

Field-level validation errors

401

Missing or invalid API key

typestringrequired

Machine-readable error code

statusintegerrequired

HTTP status code

titlestringrequired

Human-readable error message

detailsobject

Field-level validation errors

Try it

Server

Base URLCustom base URLOverrides the selected server when set.

Authorization

Bearer tokenRemember on this deviceInclude my values in samples

Bodyapplication/json

titlestring*Document title displayed to recipientsdescriptionstringstorage_idstring*Storage ID returned by the Uploads APIfile_sizeinteger*File size in bytesfile_typestringpage_countintegerNumber of pages in the documentdeadlinestringSigning deadline — recipients cannot sign after this date

Request

curl -X POST "https://api.seal.nyc/api/v1/documents" \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
  "title": "Service Agreement Q1 2026",
  "storage_id": "kg2a7b3c8d9e0f1a2b3c",
  "file_size": 245760,
  "page_count": 3
}'

const response = await fetch("https://api.seal.nyc/api/v1/documents", {
  method: "POST",
  headers: {
    "Authorization": "Bearer YOUR_TOKEN",
    "Content-Type": "application/json"
  },
  body: "{\n  \"title\": \"Service Agreement Q1 2026\",\n  \"storage_id\": \"kg2a7b3c8d9e0f1a2b3c\",\n  \"file_size\": 245760,\n  \"page_count\": 3\n}"
});

import requests

response = requests.post(
    "https://api.seal.nyc/api/v1/documents",
    headers={
        "Authorization": "Bearer YOUR_TOKEN",
        "Content-Type": "application/json"
    },
    data="{\n  \"title\": \"Service Agreement Q1 2026\",\n  \"storage_id\": \"kg2a7b3c8d9e0f1a2b3c\",\n  \"file_size\": 245760,\n  \"page_count\": 3\n}",
)

Response

{
  "id": "j572a8b1c2d3e4f5a6b7"
}

{
  "type": "VALIDATION_ERROR",
  "status": 400,
  "title": "Validation failed",
  "details": {
    "email": [
      "Must be a valid email address"
    ]
  }
}

{
  "type": "AUTH_ERROR",
  "status": 401,
  "title": "Missing or invalid API key"
}