API Reference

/forms/{formId}/webhooks/{webhookId}

put
https://www.formstack.com/api/v2025/forms//webhooks/

Update an existing webhook

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Path Params
integer
required

The ID of the form

integer
required

The ID of the webhook

Body Params

Base Webhook Input properties

string

Name of the webhook

uri

URL to send the webhook data to

string | null
enum
Defaults to urlencoded

Content type of the webhook data (urlencoded or json)

Allowed:
string | null
enum
Defaults to downloadLink

Method for transferring file data in webhook payloads

Allowed:
string | null
enum
Defaults to field_names

Format of field keys in POST data

Allowed:
string | null

Shared secret for the webhook

string | null

HMAC secret used for signing webhook payload data

string | null

Custom HMAC header name

string | null

Comma-separated email addresses to notify when webhook delivery fails

boolean | null
Defaults to false

Whether to include field type information in the webhook data

boolean | null
Defaults to true

Whether to include subfield names in the webhook data

boolean | null
Defaults to false

Whether to standardize field values in the webhook data for consistency

boolean | null
Defaults to false

Whether the webhook has been approved for PCI compliance

logic

Logic conditions for when to execute the webhook

Responses

400

Invalid request

403

Forbidden

404

Webhook not found

500

Failed to update webhook

Updated about 2 months ago

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application/json

Updated about 2 months ago