Sandboxes for the APIs you cannot get a sandbox for.

SIP trunking, SMS, MMS, Call Control and Telephony Data Services.

This is the public Twilio REST API.

Our active docs provide the ability to test out your account and to see the responses to your queries. The services are RESTful, and are accessed using standard HTTP methods over a secure HTTPS channel. Requests and responses are currently sent in JSON format, and have a base URL of /v1.

## Overview The JSON REST API allows you to submit and receive [BulkSMS](https://www.bulksms.com/) messages. You can also get access to past messages and see your account profile. The base URL to use for this service is `https://api.bulksms.com/v1`. The base URL cannot be used on its own; you must append a path that identifies an operation and you may have to specify some path parameters as well.

API for blocking phone calls with Call Control. Data is from crowdsourced community blacklist from 12+ million users and government agencies (FTC, FCC, IRS) Try with api_key 'demo', hit explore above, and then try phone numbers 18008472911,13157244022,17275567300,18008276655,12061231234.

CallFire

Use this JSON API to build and test radio links for any radio, anywhere. Authenticate with your API2.0 key in the request header as key

ETSI GS MEC 010-2 - Part 2: Application lifecycle, rules and requirements management described using OpenAPI.

Control and manages real Smartphone devices from browser and restful apis

sms77.io Swagger API. Get your API-Key now at sms77.io.

Socio-demo API can be used to obtain time-aggregated data representing groups of people on the given location in the Czech Republic. Having a location, the API can return count of people belonging to age group or gender aggregated by hours. The socio-demo data is based on presence of mobile stations in O2 mobile network.

# Introduction Welcome to the SureVoIP RESTful hypermedia API (sometimes known as a VoIP REST API, Telecom REST API, SIP API, Hypermedia API or just VoIP API.) The SureVoIP API is a way for you to automate your interaction with the SureVoIP platforms. With the API, you can create your own scripts, applications or mashups which can: * List calls * create customers * search numbers * provision numbe

This is the public Twilio REST API.

The Zoom API allows developers to access information from Zoom. You can use this API to build private services or public applications on the [Zoom App Marketplace](http://marketplace.zoom.us). To learn how to get your credentials and create private/public applications, read our [Authorization Guide](https://marketplace.zoom.us/docs/guides/authorization/credentials). All endpoints are available via