The payload-schema-error occurs when the client receives screen data that does not conform to the schema defined in the Flow JSON layout. This issue prevents proper rendering of screens within the Flow.
What Causes payload-schema-error?
This error typically happens due to:
Mismatched Screen Data Format – The data sent for a screen does not align with the schema defined in the Flow JSON.
Incorrect Data Types or Missing Fields – Some required fields are missing, or values are of an incorrect type.
Flow JSON Schema Updates – If the schema is updated, the sent payload must be adjusted accordingly.
How to Fix the payload-schema-error
Follow these steps to resolve the issue:
1. Verify the Flow JSON Schema
Check the Flow JSON file to understand the required schema for each screen. Ensure the structure, data types, and required fields are correctly defined.
2. Ensure Compliance with Schema
Make sure the data sent for each screen matches the expected format.
Example of a correctly formatted JSON structure:
{
"screen_id": "user_input_screen",
"data": {
"name": "John Doe",
"email": "johndoe@example.com"
}
}3. Fix Any Data Format Issues
Validate the payload before sending it. Ensure all required fields are included and properly formatted.
4. Test and Debug
Use logging to capture errors related to payload structure. Test different scenarios to confirm the issue is resolved.
By following these steps, you can fix the payload-schema-error and ensure smooth execution of WhatsApp Flows. For more troubleshooting tips related to WhatsApp API, check out heltar.com/blogs.