Create a webhook
curl --request POST \
--url https://app.gaintrace.com/api/v1/webhooks \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"url": "<string>",
"events": [],
"headers": {},
"description": "<string>"
}
'const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({url: '<string>', events: [], headers: {}, description: '<string>'})
};
fetch('https://app.gaintrace.com/api/v1/webhooks', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));import requests
url = "https://app.gaintrace.com/api/v1/webhooks"
payload = {
"url": "<string>",
"events": [],
"headers": {},
"description": "<string>"
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text){
"data": {
"id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"url": "<string>",
"events": [
"<string>"
],
"active": true,
"description": "<string>",
"headers": {},
"secretPrefix": "<string>",
"consecutiveFailures": 123,
"disabledAt": "2023-11-07T05:31:56Z",
"lastSuccessAt": "2023-11-07T05:31:56Z",
"createdAt": "2023-11-07T05:31:56Z",
"updatedAt": "2023-11-07T05:31:56Z",
"secret": "<string>"
}
}{
"error": {
"code": "bad_request",
"message": "Invalid JSON body",
"doc_url": "https://docs.gaintrace.com/errors#bad_request"
}
}{
"error": {
"code": "unauthorized",
"message": "Missing Authorization header",
"doc_url": "https://docs.gaintrace.com/errors#unauthorized"
}
}{
"error": {
"code": "payment_required",
"message": "Monthly event limit reached. Upgrade or enable overage billing.",
"doc_url": "https://docs.gaintrace.com/errors#payment_required"
}
}{
"error": {
"code": "forbidden",
"message": "Insufficient scope: write:companies required",
"doc_url": "https://docs.gaintrace.com/errors#forbidden"
}
}{
"error": {
"code": "unprocessable_entity",
"message": "Request validation failed. name: name is required",
"doc_url": "https://docs.gaintrace.com/errors#unprocessable_entity"
}
}{
"error": {
"code": "rate_limit_exceeded",
"message": "Rate limit exceeded. Maximum 120 requests per minute per API key.",
"doc_url": "https://docs.gaintrace.com/errors#rate_limit_exceeded"
}
}{
"error": {
"code": "internal_server_error",
"message": "Something went wrong. Try again in a moment.",
"doc_url": "https://docs.gaintrace.com/errors#internal_server_error"
}
}{
"error": {
"code": "service_unavailable",
"message": "We had trouble reaching the database. Try again in a moment.",
"doc_url": "https://docs.gaintrace.com/errors#service_unavailable"
}
}{
"error": {
"code": "gateway_timeout",
"message": "The request timed out. Try again in a moment.",
"doc_url": "https://docs.gaintrace.com/errors#gateway_timeout"
}
}Endpoints
Create a webhook
Register a webhook subscription. The signing secret is returned only in this response.
Scope: write:webhooks
POST
/
webhooks
Create a webhook
curl --request POST \
--url https://app.gaintrace.com/api/v1/webhooks \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"url": "<string>",
"events": [],
"headers": {},
"description": "<string>"
}
'const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({url: '<string>', events: [], headers: {}, description: '<string>'})
};
fetch('https://app.gaintrace.com/api/v1/webhooks', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));import requests
url = "https://app.gaintrace.com/api/v1/webhooks"
payload = {
"url": "<string>",
"events": [],
"headers": {},
"description": "<string>"
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text){
"data": {
"id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"url": "<string>",
"events": [
"<string>"
],
"active": true,
"description": "<string>",
"headers": {},
"secretPrefix": "<string>",
"consecutiveFailures": 123,
"disabledAt": "2023-11-07T05:31:56Z",
"lastSuccessAt": "2023-11-07T05:31:56Z",
"createdAt": "2023-11-07T05:31:56Z",
"updatedAt": "2023-11-07T05:31:56Z",
"secret": "<string>"
}
}{
"error": {
"code": "bad_request",
"message": "Invalid JSON body",
"doc_url": "https://docs.gaintrace.com/errors#bad_request"
}
}{
"error": {
"code": "unauthorized",
"message": "Missing Authorization header",
"doc_url": "https://docs.gaintrace.com/errors#unauthorized"
}
}{
"error": {
"code": "payment_required",
"message": "Monthly event limit reached. Upgrade or enable overage billing.",
"doc_url": "https://docs.gaintrace.com/errors#payment_required"
}
}{
"error": {
"code": "forbidden",
"message": "Insufficient scope: write:companies required",
"doc_url": "https://docs.gaintrace.com/errors#forbidden"
}
}{
"error": {
"code": "unprocessable_entity",
"message": "Request validation failed. name: name is required",
"doc_url": "https://docs.gaintrace.com/errors#unprocessable_entity"
}
}{
"error": {
"code": "rate_limit_exceeded",
"message": "Rate limit exceeded. Maximum 120 requests per minute per API key.",
"doc_url": "https://docs.gaintrace.com/errors#rate_limit_exceeded"
}
}{
"error": {
"code": "internal_server_error",
"message": "Something went wrong. Try again in a moment.",
"doc_url": "https://docs.gaintrace.com/errors#internal_server_error"
}
}{
"error": {
"code": "service_unavailable",
"message": "We had trouble reaching the database. Try again in a moment.",
"doc_url": "https://docs.gaintrace.com/errors#service_unavailable"
}
}{
"error": {
"code": "gateway_timeout",
"message": "The request timed out. Try again in a moment.",
"doc_url": "https://docs.gaintrace.com/errors#gateway_timeout"
}
}Authorizations
Bearer API key. Secret server keys start with gt_live_; client-safe browser keys start with gt_pub_ (write-only, origin-pinned). Create and scope keys in Settings → API Keys.
Body
application/json
HTTPS only; may not resolve to a private/reserved address.
Maximum string length:
500Subscribed events, or ["*"].
Minimum array length:
1Available options:
company.created, company.updated, contact.created, contact.updated, contact.deleted, signal.created, member.invited, member.joined Optional custom headers (e.g. an auth token). Reserved/signing headers are rejected. Max 20, 4KB total.
Show child attributes
Show child attributes
Maximum string length:
255Response
Webhook created (includes the one-time secret).
Show child attributes
Show child attributes
Last modified on July 7, 2026
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