APIs

Algolia - "Algolia’s search-as-a-service and full suite of APIs allow teams to easily develop tailored, fast Search and Discovery experiences that delight and convert."

Httpstat.us - “This is a super simple service for generating different HTTP codes. It's useful for testing how your own scripts deal with varying responses.” Also supports simulating delays / timeouts / sleeping.

Kite AI - “Kite AI's API makes it easy to detect abuse and harassment in your app. Using advanced machine learning techniques, Kite AI is the top abuse-detection API on the market today.” Free plan available.

Mapbox - “Build experiences for exploring the world. Add location into any application with our mapping, navigation, and location search SDKs”

MessageBird - “Programmatically make, receive and track clear sounding, drop-resistant calls around the world with our scalable carrier network in the cloud.”

MonkeyLearn - “Turn emails, tweets, surveys or any text into actionable data. Automate business workflows and save hours of manual data processing.”

Nylas - “Supercharge your app with email & calendar APIs. Nylas makes it incredibly easy to interface with email, scheduling, and contacts. It’s the modern email messaging platform for enterprise apps.”

Scale - “API For Human Intelligence. Humans On-Demand. Get high quality results within minutes.”

Sheetsu - “Turn Google Spreadsheets into JSON API”

Stream - “Stream is an API for building scalable news feeds and activity streams.” Free up to three million updates.

Newsapi.org

Media

Cloudinary - "Use Cloudinary to efficiently manage, optimize, and deliver images, videos and other media across every device and channel."

FileStack - “The #1 API for File Uploads, Image Transformations, and Content Delivery”

Payments

Omnipay - “Omnipay is a payment processing library for PHP. It has been designed based on ideas from Active Merchant, plus experience implementing dozens of gateways for CI Merchant. It has a clear and consistent API, is fully unit tested, and even comes with an example application to get you started.” #php #payments

PayBear #api - “Get Started with Crypto Payments Today. Accept multiple cryptocurrencies in no time with our easy integrations” toddmotto/public-apis #repository - “A collective list of free APIs for use in web development.”

Stripe - “A complete commerce toolkit, built for developers.”

Scraping

Apify - “The web scraping and automation platform”

Diffbot - “Extract anything. On any page. At any time. Tap into accurate data from a single page or the entire web with Diffbot AI. The web is the largest database in the world, but it's never been easy to extract data from.”