Vonage API Help Center Vonage API Help Center

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[Internal] What information do we collect from visitors to the website?
What is the Vonage API privacy policy? Do you use cookies? If so, how? W...
[Internal] Why are API requests with the wrong API secret accepted?
Question Does a customer need to use API secret and a signature? Can a s...
[Internal] From which countries can customers not sign up for Vonage API?
Question Are there any countries I can't sign up to Vonage API from? Wh...
[Internal] How can I download the entire phone book for an account?
Question How can I download the entire phone book for an account? Answer...
[Internal] HTTP POST Method Error 411 Length Required
In the case of a client using POST method enquiring about HTTP error: "4...
[Internal] Add an MD5 Signature to Customer Callbacks
Question How can a customer receive signed callbacks? Can Nexmo add sign...
[Internal] Do we support self-signed certificates for callbacks?
Question Does Vonage API support self-signed SSL/TLS certificates for we...
[Internal] Timeouts Towards REST.nexmo.com
If a customer is reporting timeouts towards our REST front-end, the firs...
[Internal] Numbers assigned to my account not showing on my dashboard
Question Why can't a secondary api key see the numbers assigned to that ...
[Internal] How long should the TTL for a customer dashboard last?
Q: How long should the TTL for a customer dashboard last? A: The timeout...
[Internal] Capability : sms-enable-phonenumber-validation
This will perform a validation of the DA using Google phone lib for a nu...
[Internal] Customer Cannot Log in to API Dashboard - Stuck in Verify Loop
Symptom In some cases, users can get stuck in a verify loop and cannot v...
[Internal] How to Enable Low Balance Notification for an Account
Objective To enable the "Low Balance Notification" option ON for an acco...
[Internal] How to Check the Account Balance
Objective To check the Account Balance for an API Key in Admin Portal. A...
Bad Credentials error when sending API requests
Question Why am I getting a "Bad Credentials" error when submitting an S...