Bulk Send

Bulk Send lets you send the same template to up to 500 recipients in a single API call. Each recipient gets their own document instance with a unique signing link.

List bulk sends

GET /api/v1/bulk-sends

Query parameters

Parameter	Type	Default	Description
cursor	string	—	Pagination cursor
limit	integer	25	Items per page (1–100)
status	string	—	Filter: processing, completed, failed

Required scope: bulk_sends.read

curl

curl -X GET "https://app.insigner.co/api/v1/bulk-sends?status=completed" \
  -H "Authorization: Bearer isk_YOUR_API_KEY"

JavaScript

const res = await fetch(
  'https://app.insigner.co/api/v1/bulk-sends?status=completed',
  { headers: { 'Authorization': 'Bearer isk_YOUR_API_KEY' } }
);
const { data, meta } = await res.json();

Python

res = requests.get(
    "https://app.insigner.co/api/v1/bulk-sends",
    headers={"Authorization": "Bearer isk_YOUR_API_KEY"},
    params={"status": "completed"}
)

Response

{
  "data": [
    {
      "id": "bs_abc123",
      "name": "Q3 Vendor Agreements",
      "status": "completed",
      "totalCount": 150,
      "sentCount": 148,
      "failedCount": 2,
      "templateId": "tpl_abc123",
      "createdAt": "2026-05-28T10:00:00.000Z",
      "updatedAt": "2026-05-28T10:05:00.000Z"
    }
  ],
  "meta": { "count": 1, "hasMore": false, "nextCursor": null }
}

---

Create a bulk send

POST /api/v1/bulk-sends

Creates individual documents from a template for each signer and sends them immediately. The operation is processed synchronously — the response returns after all documents are created.

Required scope: bulk_sends.create

Rate limit: 1 bulk send per 5 minutes per organization.

Request body

Field	Type	Required	Description
templateId	string	✅	Template to use
name	string	✅	Bulk send name (1–200 chars)
emailMessage	string	—	Custom email message (max 1000 chars)
signers	array	✅	Array of signer objects (1–500)
signers[].name	string	✅	Signer name (1–200 chars)
signers[].email	string	✅	Signer email (max 254 chars)
signers[].phone	string	—	Phone number (max 20 chars)

curl

curl -X POST https://app.insigner.co/api/v1/bulk-sends \
  -H "Authorization: Bearer isk_YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "templateId": "tpl_abc123",
    "name": "Q3 Vendor Agreements",
    "emailMessage": "Please sign your vendor agreement for Q3.",
    "signers": [
      { "name": "Alice Johnson", "email": "[email protected]" },
      { "name": "Bob Williams", "email": "[email protected]" },
      { "name": "Carol Davis", "email": "[email protected]" }
    ]
  }'

JavaScript

const res = await fetch('https://app.insigner.co/api/v1/bulk-sends', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer isk_YOUR_API_KEY',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    templateId: 'tpl_abc123',
    name: 'Q3 Vendor Agreements',
    emailMessage: 'Please sign your vendor agreement for Q3.',
    signers: [
      { name: 'Alice Johnson', email: '[email protected]' },
      { name: 'Bob Williams', email: '[email protected]' },
      { name: 'Carol Davis', email: '[email protected]' }
    ]
  })
});
const { data } = await res.json();

Python

res = requests.post(
    "https://app.insigner.co/api/v1/bulk-sends",
    headers={"Authorization": "Bearer isk_YOUR_API_KEY"},
    json={
        "templateId": "tpl_abc123",
        "name": "Q3 Vendor Agreements",
        "emailMessage": "Please sign your vendor agreement for Q3.",
        "signers": [
            {"name": "Alice Johnson", "email": "[email protected]"},
            {"name": "Bob Williams", "email": "[email protected]"},
            {"name": "Carol Davis", "email": "[email protected]"}
        ]
    }
)

Response 201 Created

{
  "data": {
    "id": "bs_def456",
    "name": "Q3 Vendor Agreements",
    "status": "completed",
    "totalCount": 3,
    "sentCount": 3,
    "failedCount": 0,
    "templateId": "tpl_abc123",
    "createdAt": "2026-05-28T12:00:00.000Z"
  }
}

Caution

Only one bulk send can be processing at a time per organization. If a bulk send is already in progress, the API returns a 409 Conflict.

---

Get bulk send status

GET /api/v1/bulk-sends/{id}

Returns details and progress for a specific bulk send.

Required scope: bulk_sends.read

curl

curl -X GET https://app.insigner.co/api/v1/bulk-sends/bs_abc123 \
  -H "Authorization: Bearer isk_YOUR_API_KEY"

JavaScript

const res = await fetch(
  'https://app.insigner.co/api/v1/bulk-sends/bs_abc123',
  { headers: { 'Authorization': 'Bearer isk_YOUR_API_KEY' } }
);
const { data } = await res.json();

Python

res = requests.get(
    "https://app.insigner.co/api/v1/bulk-sends/bs_abc123",
    headers={"Authorization": "Bearer isk_YOUR_API_KEY"}
)

Response

{
  "data": {
    "id": "bs_abc123",
    "name": "Q3 Vendor Agreements",
    "status": "completed",
    "totalCount": 150,
    "sentCount": 148,
    "failedCount": 2,
    "emailMessage": "Please sign your vendor agreement for Q3.",
    "templateId": "tpl_abc123",
    "createdAt": "2026-05-28T10:00:00.000Z",
    "updatedAt": "2026-05-28T10:05:00.000Z"
  }
}

---

Delete a bulk send

DELETE /api/v1/bulk-sends/{id}

Soft-deletes the bulk send and all associated documents.

Required scope: bulk_sends.delete

Response: 204 No Content