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020008 — Invalid request signature

Error code `020008`: Invalid request signature.

020008 is a non-success business code. A 2xx HTTP response can still contain it.

What it means

Invalid request signature

Why it happens

Signature verification failed.

What to do

Check the algorithm, secret, and exact signed content.

Retry guidance

Fix the cause, then resubmit. Do not repeat the same request unchanged.

Related

020xxx — Identity and access

Last updated on

Related topics

CDR status webhookWebhook push protocol, event payload, and X-CALLBACK-ID signature verification for voice call records.AuthenticationAuthenticate with an API key or CheckSum signature. Keep credentials on your server.010003 — Invalid parameter valueError code `010003`: Invalid parameter value.

020007 — Trial scope restricted

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020009 — Authentication timestamp outside window

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What it means
Why it happens
What to do
Retry guidance
Related