MarioSMS

DEVELOPERS An API, not a dashboard you have to click through.

Rent a number, poll for the code, release it. Three calls, per-code billing, and clients for Python and Node.

Everything the web app does is available over HTTP with an API key. Request a number for a service and country, poll until the code arrives or the window closes, then release the number. There is no subscription to provision and no seat to buy, so an integration that runs twice a month costs what those two runs cost.

This is for anyone automating a verification step in a system they run. Scripts, test suites, internal tooling, a job that runs at three in the morning. The API was written for that person first and the web app second.

The shape of an integration

Ask for a number for the service and country you need and you get back an activation id and the number itself. Poll the activation until the code appears. Release it, or let it expire and refund itself. That is the whole loop, and it is the same three calls in every language.

We publish clients for Python and Node, and the protocol is compatible with the handler_api convention that most tooling in this space already speaks, so an existing integration usually needs a base URL and a key rather than a rewrite.

What the billing model means for code

You are charged when a code arrives, not when you ask for a number. An activation that times out returns the full amount automatically, so retry logic does not need to reconcile charges afterwards.

Prices move with supplier cost and stock, and the price for a given service and country is readable before you commit, so a job can decline anything above a threshold you set.

Numbers people use for this

Common countries

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Questions

Is there a sandbox?

No separate sandbox. Prices start low enough that testing against production costs cents, and an activation that receives nothing is refunded, so a broken integration does not run up a bill.

What are the rate limits?

Polling is expected; the documented interval is what the API is sized for. Stock, not request volume, is the practical limit on how many activations you can hold at once.

Which languages have official clients?

Python and Node are published and maintained. Go and PHP are covered by tutorials against the raw REST API, which is small enough to wrap in an afternoon.

Other use cases