> For the complete documentation index, see [llms.txt](https://docs.coda.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.coda.co/codashop-and-distribution/integration-guides/validation-api-request.md).
# Validation API Request
Overview
This message contains the order details for the partner to validate. This message is sent before payment is collected, to confirm that a top-up can be successfully made after payment is successfully completed. If a top-up call with the parameters used in the validate call would result in an error, the error should be returned as a response to the validate request.
The expected response time for a Validate request is 5 seconds.
Validation Request
---
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