Textbelt Documentation
  • Getting started
  • OTP/Mobile verification
  • Other API endpoints
  • Compliance
  • FAQ
    • Sending & receiving messages
    • Textbelt platform & policies
    • Subscription & payments
    • Troubleshooting
  • Supported countries
  • Contact support
  • Guides
    • Sending SMS from the command line
    • How to set up Synology NAS SMS notifications
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  • I'm getting an error: "sslv3 alert handshake failure"
  • Can I use Textbelt via Tor?
  • Can I use Textbelt with Postman?
  • Why isn't my VOIP number receiving SMS?
  • See also
  • Still having problems?

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  1. FAQ

Troubleshooting

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Last updated 1 year ago

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I'm getting an error: "sslv3 alert handshake failure"

We don't support SSLv3 due to a security vulnerability: disablessl3.com.

You can force SSLv2 by using the --sslv2 flag with curl on most systems.

You can also just POST to http://textbelt.com/text, as opposed to https://. This will solve the problem, but traffic will not be encrypted (you might be ok with this for hobby projects because SMS is not secure to begin with).

Can I use Textbelt via Tor?

No, because of too much spam/abuse coming through Tor.

Can I use Textbelt with Postman?

Yes. Here's a screenshot of a Postman configuration that works:

Why isn't my VOIP number receiving SMS?

Unfortunately, Textbelt does not support sending SMS to VOIP numbers.

See also

The Sending & receiving messages section has more information on common questions, including questions like "Why did my SMS take 2 credits" and how to customize opt-out language.

Still having problems?

Contact us directly at support@textbelt.com.