Vonage API Help Center Vonage API Help Center

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How to get the most out of the Vonage API dashboard.

Can I use special characters when entering my billing address?
Question When I enter my billing address information in my Vonage API ac...
How do I change the email address for the primary user?
Objective Updating the email address for the primary user on my Vonage A...
Creating a New Account with Registered Information Is Not Allowed
Question I deleted my old account to create a new one. Can I use the sam...
How do I change my API secret using Postman/cURL
Objective Changing you API secret using Postman or cURL. Applies To API...
401 Unauthorized Authentication Error When Making API Requests
SymptomThe request is rejected with a 401 Unauthorized authentication er...
SMS Delivery By Month Metrics Terminology
Question What do the terms in SMS Delivery By Month in the Vonage API ac...
How to Create a Public/Private Key Pair for an Application
Objective Creating a public/private key pair for a new or existing Appli...
How do I cancel or delete my Vonage API account?
Objective How can I cancel, close, terminate, or delete my Vonage API Ac...
Enabling HTTP Basic Authentication for Webhook URL
Objective Setting up HTTP basic authentication for your webhook URL. App...
What browsers and resolutions are supported by the account dashboard?
Question What browsers are supported by the Vonage API account dashboard...
Adding Team Members to Your Vonage API Account Dashboard
Objective Adding team members to your Vonage API account dashboard. Appl...
How to Add a Long Virtual Number To Your Account
Objective Adding a long virtual number (LVN) to your account. Applies To...
Why do you send the webhook to my old URL?
Symptom I have updated my webhook URL on API settings but you still send...
Why there are no parameters in the callback?
Symptom Received multiple callbacks without any parameters. Applies To ...
How can I get full account features enabled?
Question How can I move from trial or demo to live mode in my account? A...
SMS Delivered Response Not Showing in Analytics for US Numbers
Symptom In Analytics > Quality of Delivery I'm not getting the R1 AND R2...
Why do you not accept my webhook URL?
Symptom My webhook URL won't change to the new one I am trying to set. A...
How do I add a webhook URL to my account?
Objective Adding a webhook URL to your account. Applies To Webhook URL ...
What does Bounced mean in the Dashboard?
Question I see Bounced as the SMS Status in the SMS Analytics Overview f...
How do I reset my Vonage API account password?
ObjectiveResetting the password for your Vonage API account dashboard.Ap...
How do I find my Communications API key and API secret?
Effective August 15, 2025, your API Secret(s) will no longer be availabl...