If you need a service to glue together WebHooks and HTTP requests and to test them, Pipedream is a great option. The service lets you build complex apps by wiring together more than 2,100 APIs packaged as npm and PyPI packages. It can deploy without a server, too, so you can run your own code with languages like Node.js, Python and Go. Pipedream's no-code interfaces let you deploy instantly, which is great for testing and WebHook and HTTP request integration.
Another good option is Relay, which is geared more for automation and workflow integration. It's got deeper integration with tools like Airtable, Salesforce and Slack, plus more advanced workflow tools that let you customize and collaborate with humans in the loop. It's got features like immediate triggers, batch triggers and AI actions, so it's good for automating and integrating lots of different tasks and requests.
If you want a no-code option, Axiom could be useful. This browser bot builder lets you automate website interactions and repetitive tasks without writing any code. It's got features like visual web scraping, automated spreadsheets using Google Sheets and integration with Zapier and Webhooks. Axiom also has AI automation with ChatGPT, so it's a good option for automating lots of different tasks and integrating with lots of different services.
Last, Noodl is an open-source, AI-augmented low-code service that lets you quickly develop full-stack apps. It's got visual development, real-time data flows and integration with third-party services and APIs. Noodl's AI generates building blocks and UI elements, so you don't have to write as much code. It's good for prototyping, MVPs and scaling web apps with minimal coding.