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Where did the first modern REST API come from?

Originally published on LinkedIn, September 26, 2025.

In November 2000, eBay released the first modern REST API. The rest (pun intended) is history — the milestones from the Programmable Web to MCP.

25 years ago, in November 2000, eBay released the first modern REST API for its partners.

The rest (pun intended) is history!

🔹 2000: Salesforce and Amazon follow closely, resulting in what was called, at the time, the Programmable Web.

🔹 2008: Apple opens the nascent iPhone ecosystem to 3d party developers, and since apps need data, API usage explodes.

🔹 2010: Stripe launches the first “API as a Product,” prioritizing developers and setting the standard for an exceptional developer experience.

🔹 2012: Atlassian establishes its Marketplace, bringing APIs squarely into the enterprise, vastly increasing its reach and revenue.

🔹 2015: Amazon launches the AWS API Gateway, enabling anyone to integrate APIs into their cloud applications easily.

🔹 2023: The past decade has seen the rise of API Design, Governance, and API Management. OpenAI brings it all together, catapulting the usage of its revolutionary models and enabling a multitude of AI startups.

🔹 2025: Fast forward to today, APIs are more relevant than ever, with Model Context Protocol (MCP) becoming the universal way for AI agents to access up-to-date data and perform actions.

What other turning points in the history of APIs would you add to this list?

P.S. - In API Fundamentals for Product Managers on Maven, we will learn from examples of successful API businesses, so you can use them to build better API products.

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