General request errors

WhatsApp error 131009: A parameter value is not valid

Updated 21 October 2026 Matches Meta's official reference
The ArabyBot teamOfficial Meta partner · written from our own platform data
On this page 4
  1. Why error 131009 appears
  2. How to fix it, step by step
  3. What ArabyBot does about it
  4. Related codes

The short answer

Error 131009 means one or more values in the request are not valid, such as a phone number in the wrong format. Check the allowed values and the number format, then send again.

What it stopsThis request only
Retry?Only after the fix
Where the fix isThe integration

Why error 131009 appears

  • A number not in international format, or with spaces and symbols.
  • A value outside a field's allowed values.

How to fix it, step by step

  1. Fix the number format

    Country code then the number, no leading zero or symbols.

What ArabyBot does about it

Happens automatically in your account
  • The reason appears in plain words under the message itself in the inbox, on the web and in the phone app, with what to do — instead of Meta's raw English.

Every WhatsApp error code, grouped by kind ←

Source: Meta's official error code reference, with what we see on our own platform.

And you run all of it from your phoneEverything on this page is also run from the ArabyBot mobile app — replies, orders, campaigns and AI reports. Not a web dashboard only.

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