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Square's Payment Gateway API is a robust tool designed to facilitate seamless transactions for businesses. It allows developers to integrate payment processing capabilities into their applications, providing a secure and efficient way to handle customer payments.
When working with Square's API, you might encounter the INVALID_SIGNATURE error. This error typically manifests when the API request signature does not match the expected signature on Square's server.
Developers will notice that their API requests fail, and the response includes an error message indicating an INVALID_SIGNATURE. This can halt transaction processing and disrupt the payment flow.
The INVALID_SIGNATURE error occurs when the signature generated for an API request does not align with the signature expected by Square's servers. This discrepancy can arise from incorrect credentials or an improperly formatted request.
Resolving this error involves ensuring that your request is correctly signed and formatted. Follow these steps to troubleshoot and fix the issue:
Authorization
header should include the correct access token.For further assistance, refer to the Square Developer Documentation for detailed guidance on API usage and troubleshooting. You can also explore the Square Developer Forums to connect with other developers and share solutions.
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