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   * [Diggernaut](https://www.diggernaut.com/) — Cloud based web scraping and data extraction platform for turning any website to the dataset or to work with it as with an API. Free plan includes 5K page requests monthly.
   * [dominodatalab.com](https://www.dominodatalab.com) — Data science with support for Python, R, Spark, Hadoop, MATLAB and others
   * [dreamfactory.com](https://dreamfactory.com/) — Open source REST API backend for mobile, web, and IoT applications. Hook up any SQL/NoSQL database, file storage system, or external service and it instantly creates a comprehensive REST API platform with live documentation, user management,...
+  * [ExtendsClass](https://extendsclass.com/rest-client-online.html) - Free web-based HTTP client to send HTTP requests.
   * [FraudLabs Pro](https://www.fraudlabspro.com) — Screen an order transaction for credit card payment fraud. This REST API will detect all possible fraud traits based on the input parameters of an order. Free Micro plan has 500 transactions per month.
   * [FreeGeoIP.app](https://freegeoip.app/) - Completely free Geo IP information (JSON, CSV, XML). No registration required, 15000 queries per hour rate limit.
   * [GeoDataSource](https://www.geodatasource.com) — Location search service lookup for city name by using latitude and longitude coordinate. Free API queries up to 500 times per month.