44 Trending API Businesses [2023]

Pat Walls

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Updated: January 18th, 2023

44 Trending API Businesses [2023]

Build An Api

API is the acronym for “application programming interface” and is a software intermediary connecting applications.

More and more companies are adopting a digital business strategy to streamline their operations and provide better customer service.

Many benefits come with using an API, and we’ve compiled a list of the best API businesses today.

Looking for some examples of a API?

Interested in case studies of a successful API? Check out our full list of success stories.

1. Accu Weather

AccuWeather has local and international weather forecasts from the most accurate weather forecasting technology featuring up-to-the-minute weather reports.

Website traffic: 630M/month
Business rank: #625

Check out their full website ➜

2. Telegram

Telegram is a freeware, cross-platform, cloud-based instant messaging service. The service also provides end-to-end encrypted video calling, VoIP, file sharing, and several other features.

Website traffic: 140M/month
Business rank: #150

Check out their full website ➜

Learn more about starting an API:

Where to start?

-> Api plan
-> How to finance an API?
-> How much does it cost to start an API?
-> Pros and cons of an API
-> How to get clients for an API?

Need inspiration?

-> Other API success stories
-> Marketing ideas for an API
-> Api slogans
-> Api names

Other resources

-> Profitability of an API
-> Api tips

4. Thomson Reuters

The intelligence, technology and human expertise you need to find trusted answers. Thomson Reuters is The Answer Company.

Website traffic: 10.9M/month
Business rank: #4.37K

Check out their full website ➜

5. Segment

Segment is a customer data platform (CDP) that helps you collect, clean, and control your customer data.

Website traffic: 840K/month
Business rank: #6.92K

Check out their full website ➜

6. Clover

Clover, a Fiserv company, builds the largest open-architecture point of sale solution aimed at small & medium-sized business owners.

Website traffic: 6.13M/month
Business rank: #7.13K

Check out their full website ➜

7. Postman

Postman makes API development easy. Our platform offers the tools to simplify each step of the API building process and streamlines collaboration so you can create better APIs faster.

Website traffic: 2.23M/month
Business rank: #9.75K

Check out their full website ➜

8. EasyPost

EasyPost’s best-in-class Shipping APIs provide end-to-end flexibility and more control over parcel shipping and logistics processes for anyone shipping online.

Website traffic: 3.98M/month
Business rank: #10.5K

Check out their full website ➜

9. First Data

First Data is the #1 merchant services acquirer providing payment processing solutions for small/large businesses and financial institutions.

Website traffic: 3.09M/month
Business rank: #10.8K

Check out their full website ➜

10. ProctorU

ProctorU provides secure live and automated online proctoring services for academic institutions and professional organizations. We protect exam integrity for more than 1,000 partners worldwide.

Website traffic: 910K/month
Business rank: #11.8K

Check out their full website ➜

11. NeverBounce

Over 125,000 users trust NeverBounce for their real-time email verification and advanced email list cleaning & scrubbing services.

Website traffic: 240K/month
Business rank: #14.1K

Check out their full website ➜

12. Mollie

Start growing your business with Mollie Payments: ✓ Accept payments in 15 minutes ✓ Honest pricing ✓ All leading payment methods. Get paid now »

Website traffic: 7.34M/month
Business rank: #15.2K

Check out their full website ➜

13. Dark Sky

Dark Sky is the most accurate source of hyperlocal weather information: with down-to-the-minute forecasts for your exact location, you'll never get caught in the rain again. (It's like magic!)

Website traffic: 3.57M/month
Business rank: #20.8K

Check out their full website ➜

14. Plaid

Plaid helps all companies build fintech solutions by making it easy, safe and reliable for people to connect their financial data to apps and services.

Website traffic: 650K/month
Business rank: #24.2K

Check out their full website ➜

15. WPI

A WPI education has never been more relevant than it is today, because the demand for innovative thinkers who can solve problems on a global scale has never been greater.

Website traffic: 710K/month
Business rank: #34.2K

Check out their full website ➜

16. Pipl

Pipl makes deep connections among billions of disparate identifiers using multivariate linking to derive identity trust that customers can leverage.

Website traffic: 510K/month
Business rank: #34.5K

Check out their full website ➜

17. Vacasa

Vacasa professionally manages vacation rentals from coast to coast. Every home meets the highest standards of comfort & cleanliness, so you can book with confidence.

Website traffic: 3.69M/month
Business rank: #36.3K

Check out their full website ➜

18. HathiTrust

HathiTrust is a partnership of academic and research institutions, offering a collection of millions of titles digitized from libraries around the world.

Website traffic: 2.18M/month
Business rank: #37.4K

Check out their full website ➜

19. DTE Energy

DTE Energy is a Detroit-based diversified energy company involved in the development and management of energy-related businesses and services nationwide.

Website traffic: 2.62M/month
Business rank: #40.5K

Check out their full website ➜

20. FDIC

The FDIC is an independent agency created by the U.S. Congress to maintain stability and public confidence in the nation’s financial system.

Website traffic: 510K/month
Business rank: #42.9K

Check out their full website ➜

21. NYC Open Data

NYC Open Data helps New Yorkers use and learn about City data

Website traffic: 70K/month
Business rank: #51.4K

Check out their full website ➜

22. REST

REST is an acronym for REpresentational State Transfer. It is architectural style for distributed hypermedia systems and was first presented by Roy Fielding.

Website traffic: 250K/month
Business rank: #52.1K

Check out their full website ➜

23. Apigee

Power your APIs with a leader three times running. Apigee positioned highest for execution and completeness of vision in full lifecycle API management.

Website traffic: 600K/month
Business rank: #57.2K

Check out their full website ➜

24. News API

Search worldwide news articles and headlines from across the web in real-time with our free News API.

Website traffic: 160K/month
Business rank: #57.5K

Check out their full website ➜

25. Assist

The ASSIST system (assist.org) is the official statewide database and online resource that shows prospective California transfer students how courses they complete at a community college may be used to satisfy elective, general education, and major requirements at a CSU or UC campus.

Business rank: #69.1K

Check out their full website ➜

26. Scraper API

Scraper API is a web scraping API that handles proxy rotation, browsers, and CAPTCHAs so developers can scrape any page with a single API call. Get started with 1000 free API calls!

Estimated revenue: $500K/month
Business rank: #71.1K

Check out their full website ➜

27. Garland Tools

Garland Tools. FFXIV tools & resources. Garland Data. everything database. crafting lists. equipment calculators · Garland Bell. gathering timers.

Website traffic: 560K/month
Business rank: #72.8K

Check out their full website ➜

28. MTN Group

Headquarted in Johannesburg, MTN is a pure-play emerging markets mobile telecommunications operator at the forefront of technological and digital changes.

Business rank: #81.9K

Check out their full website ➜

29. Marqeta

Instantly issue cards and process card payments with our open API platform. Learn how Marqeta's modern card issuing platform empowers businesses and innovators.

Business rank: #86.1K

Check out their full website ➜

30. api-football

Restful API for Football data +690 competitions, Livescore, standings, teams, odds, bookmakers, fixtures, events, line-ups, players, statistics, predictions

Business rank: #95.7K

Check out their full website ➜

31. Spreedly

Build best-in-market payment systems by connecting to any payment service. Enable, optimize, and analyze online revenue with Spreedly’s flexible payments platform.

Website traffic: 80K/month
Business rank: #97K

Check out their full website ➜

32. American Petroleum Institute

The American Petroleum Institute (API) is the only national trade association that represents all aspects of America’s oil and natural gas industry. Our more than 600 corporate members, from the largest major oil company to the smallest of independents, come from all segments of the industry.

Website traffic: 380K/month
Business rank: #97.6K

Check out their full website ➜

33. PortlandMaps

PortlandMaps provides a wide variety of data is available for the Portland Metropolitan Area. The datasets available through PortlandMaps include Assessor/Tax Lot Information. Aerial Photography.

Website traffic: 150K/month
Business rank: #107K

Check out their full website ➜

34. TransLink

TransLink is Metro Vancouver’s transportation network, serving residents and visitors with public transit, major roads, bridges and Trip Planning.

Website traffic: 450K/month
Business rank: #110K

Check out their full website ➜

35. UC Health

At UC Health, the region's top clinicians and researchers provide world-class care for Cincinnati and beyond. Call (513) 475-8000 for appointments.

Business rank: #118K

Check out their full website ➜

36. Racing Australia

Racing Australia is the national industry body representing Thoroughbred racing in Australia. Australian Horse Racing results, Horse Racing Materials.

Website traffic: 480K/month
Business rank: #126K

Check out their full website ➜

37. Jitterbit

Connect SaaS, on-premises & cloud apps while instantly infusing intelligence into any business process. Learn more about API transformation with Jitterbit..

Business rank: #127K

Check out their full website ➜

38. PortWallet

PortWallet is the leading advanced payment gateway for the Bangladesh market. Single API with all connectivities including VISA, Mastercard, Nexus, bKash, DBBL Mobile Banking and more

Business rank: #132K

Check out their full website ➜

39. Renoworks

Meet Renoworks Custom home visualization solutions for your business RENOWORKS develops interactive visualization experiences that ENGAGE YOUR CUSTOMERS

Website traffic: 350K/month
Business rank: #133K

Check out their full website ➜

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41. Cherwell Software

The leading ITSM software tool with proven business results, shorter implementations, and simpler licensing models. Low-code workflow automation at its best

Website traffic: 110K/month
Business rank: #156K

Check out their full website ➜

42. Intrinio

Intrinio provides US market data, company fundamentals data, options data and SEC data, powered by advanced data quality technology and delivered through Intrinio's financial data API and other tools.