How can I send free SMS to mobile without registration?
We do not support anonymous sending. Create an account, verify your phone number, and use the free sign-up credits in the web app to send a few messages to your own number. These are real deliveries, not mock sends. To message other numbers or use the API, add a small balance or a plan and […]
Do you provide an SMS gateway service with deliverability analytics and short-link tracking?
Yes. You can view delivery, clicks and response patterns to improve your message strategy.
Can I use your SMS sender API for transactional alerts and marketing?
Yes. You can send OTPs, alerts, reminders and campaigns. Marketing sends must follow opt-in rules.
Is there a free SMS API for developers and rate limits I should know?
Yes. Free options are for testing only. Production sends follow your plan and local rules. Rate limits protect the platform. We can raise limits for valid load tests.
Who are the best SMS API providers and how do I choose an SMS gateway provider?
Look at deliverability, pricing by country, webhook quality, number options (long numbers, toll-free numbers, short codes), support SLAs and uptime transparency. If you want omnichannel and smart fallback, that is a plus.
Do you have a programmable SMS API with webhooks and two-way messaging?
Yes. You can receive replies and delivery events to your webhook URL. Examples are included.
How do I send text message API free to test in staging?
Use the free credits in the web app to send a few test messages to your own phone number and confirm delivery. These credits are UI-only. We don’t offer a separate free API sandbox. To test the API programmatically, add a small balance, send to your own number in a staging environment, and use a <code>callback_url</code> to […]
Do you offer a free text message API or text message API free credits?
New users receive a bundle of free credits to try SMS.to from the web app (UI). These credits are intended for test messages to your own phone number so you can confirm delivery and see the flow. They are not a free, unlimited API allowance. To send via the API, you’ll need an active balance […]
What is an API for SMS messaging and how does your SMS message gateway work?
It is a REST interface that lets your app send and receive text messages. You make HTTPS requests with your API key, and we deliver to carriers. You get delivery receipts and inbound messages via webhooks.