Linking Webhook in Project Creation Process

Step 1: When creating a project, choose Webhook as the data source

To provide the data via HTTP POST requests, select Webhook as a data source when creating a project.

Step 2: Copy the generated Webhook link

Once you have selected webhook as your data source, the system will automatically generate a unique webhook URL for your project. Copy this URL as it serves as the endpoint where you will send your POST request. This URL is specific to your project and should be kept secure.

Step 3: Save your project to obtain webhook secret

Upon pressing “Save and Continue” or “Save and exit”, you will receive your webhook secret. This webhook secret is compulsory, and should be set in your request header. Save this secret securely as you will not see the token again.

Once you have saved the secret, click “I have stored the secret”.

Step 4: Send the input data to this webhook link

Upon completing the project creation process and publishing the project, you can send the input data to the given webhook URL endpoint with the following configurations:

Basic Information

Request Header

Request Parameters

An example of the request payload is as follows:

{
  "inputs": {
    "short_long": "string1",     // Short/Long
    "number": 1000,              // Number
    "decimal": 100.12,           // Decimal
    "date": "01/01/2026",        // Date
    "signature": "[email protected]",  // Signature
    "if_conditional": true       // IF Conditional
  }
}

Sample CURL request

curl -X POST "https://doccentral.e01.app.gov.sg/document/webhook/2a3b4c5d" \
  -H "Authorization: Bearer whsec_1234567890" \
  -H "Content-Type: application/json" \
  -d '{"inputs": {"placeholder1": "value1"}}'

Sample Response Body

{
  "message": "XXX"
}

If the request is valid, the document will be generated and sent successfully.

Accepted Date Formats

For any Date parameter, ensure the input value follows one of the following formats:

"DD/MM/YYYY", "D/M/YYYY", "DD/MM/YY", "D/M/YY",
"DD MMM YYYY", "D MMM YYYY", "DD MMM YY", "D MMM YY",
"DD MMMM YYYY", "D MMMM YYYY", "DD MMMM YY", "D MMMM YY",
"DD-MM-YYYY", "D-M-YYYY", "DD-MM-YY", "D-M-YY",
"DD-MMM-YYYY", "D-MMM-YYYY", "DD-MMM-YY", "D-MMM-YY",
"DD-MMMM-YYYY", "D-MMMM-YYYY", "DD-MMMM-YY", "D-MMMM-YY"

Errors

Here is a table of the common errors that you might face when filling in the JSON data input. See webhook as an output destination for more errors related to webhook outputs.