curl --request POST \
--url https://api.vaquill.ai/workspace/v1/matters/{matterId}/drafts \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"category": "commercial",
"title": "Master Services Agreement",
"governingLawState": "ca"
}
'import requests
url = "https://api.vaquill.ai/workspace/v1/matters/{matterId}/drafts"
payload = {
"category": "commercial",
"title": "Master Services Agreement",
"governingLawState": "ca"
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
category: 'commercial',
title: 'Master Services Agreement',
governingLawState: 'ca'
})
};
fetch('https://api.vaquill.ai/workspace/v1/matters/{matterId}/drafts', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.vaquill.ai/workspace/v1/matters/{matterId}/drafts"
payload := strings.NewReader("{\n \"category\": \"commercial\",\n \"title\": \"Master Services Agreement\",\n \"governingLawState\": \"ca\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}{
"id": "op_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"type": "matrix.run",
"status": "succeeded",
"createdAt": "2026-08-19T14:32:10Z",
"completedAt": "2026-08-19T14:32:10Z",
"matterId": "mat_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"resource": {
"kind": "matrix",
"id": "mtx_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"url": "https://storage.vaquill.ai/exports/msa-acme-v3-redline.docx?signature=..."
},
"progress": {
"done": 24,
"total": 128,
"unit": "cells"
},
"requestId": "req_5f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6"
}{
"type": "https://vaquill.ai/docs/workspace-api/errors/insufficient-scope",
"title": "Insufficient scope",
"status": 403,
"detail": "This credential carries matters:read. This operation needs matters:write.",
"instance": "/workspace/v1/matters/mat_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"requestId": "req_5f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6"
}{
"type": "https://vaquill.ai/docs/workspace-api/errors/insufficient-scope",
"title": "Insufficient scope",
"status": 403,
"detail": "This credential carries matters:read. This operation needs matters:write.",
"instance": "/workspace/v1/matters/mat_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"requestId": "req_5f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6"
}{
"type": "https://vaquill.ai/docs/workspace-api/errors/insufficient-scope",
"title": "Insufficient scope",
"status": 403,
"detail": "This credential carries matters:read. This operation needs matters:write.",
"instance": "/workspace/v1/matters/mat_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"requestId": "req_5f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6"
}{
"type": "https://vaquill.ai/docs/workspace-api/errors/insufficient-scope",
"title": "Insufficient scope",
"status": 403,
"detail": "This credential carries matters:read. This operation needs matters:write.",
"instance": "/workspace/v1/matters/mat_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"errors": [
{
"location": "<string>",
"message": "<string>",
"type": "<string>"
}
],
"requestId": "req_5f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6"
}{
"type": "https://vaquill.ai/docs/workspace-api/errors/insufficient-scope",
"title": "Insufficient scope",
"status": 403,
"detail": "This credential carries matters:read. This operation needs matters:write.",
"instance": "/workspace/v1/matters/mat_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"requestId": "req_5f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6"
}{
"type": "https://vaquill.ai/docs/workspace-api/errors/insufficient-scope",
"title": "Insufficient scope",
"status": 403,
"detail": "This credential carries matters:read. This operation needs matters:write.",
"instance": "/workspace/v1/matters/mat_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"requestId": "req_5f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6"
}{
"type": "https://vaquill.ai/docs/workspace-api/errors/insufficient-scope",
"title": "Insufficient scope",
"status": 403,
"detail": "This credential carries matters:read. This operation needs matters:write.",
"instance": "/workspace/v1/matters/mat_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"requestId": "req_5f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6"
}Generate a draft
Queue a generation. 202 with an operation to poll.
A retry carrying the same Idempotency-Key returns the original operation
and starts nothing. That is what makes a client timeout free rather than a
second billed generation, and it matters more here than anywhere else on
this surface: run_draft_generation_task has max_retries=0 precisely
because the pipeline is not idempotent.
curl --request POST \
--url https://api.vaquill.ai/workspace/v1/matters/{matterId}/drafts \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"category": "commercial",
"title": "Master Services Agreement",
"governingLawState": "ca"
}
'import requests
url = "https://api.vaquill.ai/workspace/v1/matters/{matterId}/drafts"
payload = {
"category": "commercial",
"title": "Master Services Agreement",
"governingLawState": "ca"
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
category: 'commercial',
title: 'Master Services Agreement',
governingLawState: 'ca'
})
};
fetch('https://api.vaquill.ai/workspace/v1/matters/{matterId}/drafts', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.vaquill.ai/workspace/v1/matters/{matterId}/drafts"
payload := strings.NewReader("{\n \"category\": \"commercial\",\n \"title\": \"Master Services Agreement\",\n \"governingLawState\": \"ca\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}{
"id": "op_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"type": "matrix.run",
"status": "succeeded",
"createdAt": "2026-08-19T14:32:10Z",
"completedAt": "2026-08-19T14:32:10Z",
"matterId": "mat_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"resource": {
"kind": "matrix",
"id": "mtx_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"url": "https://storage.vaquill.ai/exports/msa-acme-v3-redline.docx?signature=..."
},
"progress": {
"done": 24,
"total": 128,
"unit": "cells"
},
"requestId": "req_5f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6"
}{
"type": "https://vaquill.ai/docs/workspace-api/errors/insufficient-scope",
"title": "Insufficient scope",
"status": 403,
"detail": "This credential carries matters:read. This operation needs matters:write.",
"instance": "/workspace/v1/matters/mat_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"requestId": "req_5f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6"
}{
"type": "https://vaquill.ai/docs/workspace-api/errors/insufficient-scope",
"title": "Insufficient scope",
"status": 403,
"detail": "This credential carries matters:read. This operation needs matters:write.",
"instance": "/workspace/v1/matters/mat_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"requestId": "req_5f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6"
}{
"type": "https://vaquill.ai/docs/workspace-api/errors/insufficient-scope",
"title": "Insufficient scope",
"status": 403,
"detail": "This credential carries matters:read. This operation needs matters:write.",
"instance": "/workspace/v1/matters/mat_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"requestId": "req_5f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6"
}{
"type": "https://vaquill.ai/docs/workspace-api/errors/insufficient-scope",
"title": "Insufficient scope",
"status": 403,
"detail": "This credential carries matters:read. This operation needs matters:write.",
"instance": "/workspace/v1/matters/mat_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"errors": [
{
"location": "<string>",
"message": "<string>",
"type": "<string>"
}
],
"requestId": "req_5f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6"
}{
"type": "https://vaquill.ai/docs/workspace-api/errors/insufficient-scope",
"title": "Insufficient scope",
"status": 403,
"detail": "This credential carries matters:read. This operation needs matters:write.",
"instance": "/workspace/v1/matters/mat_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"requestId": "req_5f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6"
}{
"type": "https://vaquill.ai/docs/workspace-api/errors/insufficient-scope",
"title": "Insufficient scope",
"status": 403,
"detail": "This credential carries matters:read. This operation needs matters:write.",
"instance": "/workspace/v1/matters/mat_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"requestId": "req_5f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6"
}{
"type": "https://vaquill.ai/docs/workspace-api/errors/insufficient-scope",
"title": "Insufficient scope",
"status": 403,
"detail": "This credential carries matters:read. This operation needs matters:write.",
"instance": "/workspace/v1/matters/mat_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6",
"requestId": "req_5f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6"
}Authorizations
Workspace credential issued from the automation console at /automation. Send it as Authorization: Bearer vq_ws_.... This is NOT a Data API key: a vq_key_ credential is refused here and names the other product in the error.
Headers
A unique value of your choosing, so a retried launch returns the FIRST operation instead of starting a second billable job. Reusing one with a different body is refused. Retrying with the same key and the same body is free and is the intended way to recover from a timeout.
Path Parameters
mat_ identifier of the matter to work inside. Everything in this API hangs off a matter, and the matter in the path is what the authorization boundary is checked against. Take it from GET /v1/matters.
Body
Start a generation. There is no synchronous create.
jurisdiction is deliberately absent and fixed at US: this is a US-only
product (OPINIONS.md), and a field whose only accepted value is the default
is a field a customer has to discover before they can ignore it.
governingLawState is required for the same reason it is required
internally: a US draft with no pinned governing law cites nothing.
What kind of document to generate, as a category slug. Validated against the live vocabulary when the generation starts.
1 - 64"commercial"
Title for the generated draft.
1 - 200"Master Services Agreement"
Governing law to pin. Accepts a code (ca), a name (California) or the sentinel federal. Required: a US draft with no pinned governing law cites nothing.
1 - 80"ca"
How protective the generated language should be: protective, balanced or permissive.
protective, balanced, permissive "protective"
Anything specific this draft needs, in your own words.
40000"Two-year term, mutual, governed by California law."
Template variable values, for example {"party_a_name": "Acme Corp"}. Which keys mean anything is a property of the category, so this is deliberately free-form. Unfilled placeholders are counted on export.
Show child attributes
Show child attributes
Practice area for the draft. Inferred from the category when omitted.
1 - 64"commercial"
Response
Successful Response
One long-running operation, whatever kind of work it is.
Readable for OPERATION_RETENTION_DAYS after creation, per AIP-151.
Public identifier, op_ followed by 32 hex characters. Poll GET /v1/operations/{operationId} with it.
"op_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6"
What kind of work this is, for example matrix.run or draft.generate.
"matrix.run"
One of five values: queued, running, succeeded, failed, cancelled. There is no sixth and there are no synonyms. Stop polling once it is succeeded, failed or cancelled.
queued, running, succeeded, failed, cancelled "succeeded"
When the operation was accepted (RFC 3339).
"2026-08-19T14:32:10Z"
When the operation reached a terminal status (RFC 3339). Present if and only if the status is terminal.
"2026-08-19T14:32:10Z"
mat_ identifier of the matter this work belongs to, when it belongs to one.
"mat_9f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6"
What the operation produced. Absent until the underlying job row exists, which an idempotent replay can briefly observe, so treat absence as 'not yet' rather than 'never'.
Show child attributes
Show child attributes
Why the work failed. Present only when status is failed. Partial success is succeeded with progress.done < progress.total, never an error.
Show child attributes
Show child attributes
How far along the work is, when the underlying job reports it. Absent does not mean no progress.
Show child attributes
Show child attributes
The X-Request-ID of the request that created this operation. Quote it in a support ticket.
"req_5f2c8b1e4a7d43c9b6e0f1a2c3d4e5f6"
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