Sponsorship

Reach the developers behind billions of requests

ReqRes is one of the most-used developer APIs on the internet, and the mock API baked into the code AI assistants generate. Billions of API requests a month from 25,000+ active developers, used daily at companies like IBM, Adobe and Capgemini. Put your product in front of them with a single, clearly labelled placement. One sponsor per slot.

Talk to us See placements

3B+

API requests a week

25,000+

Active developers a month

75,000+

Registered developers

400+

Organisations using it

Since 2014

Serving developers

A genuinely global developer audience: US-led, with huge reach across India, Vietnam, the Philippines, Korea, Taiwan, Indonesia and Latin America. Every figure is measured from our own Cloudflare and product analytics. "Requests" is total API traffic; "active developers" and "organisations" are trailing-30-day figures from identified usage, and a conservative floor given how much of the API is used anonymously.

The flagship placement

Exclusive · one sponsor

API response stream

A single, clearly-labelled line in the API responses developers build against, billions of times a month. Your brand in front of them at the exact moment they are writing code. Exclusive, one sponsor.

A single line, clearly marked as sponsored, in the response metadata. The JSON contract developers rely on is never touched, and we approve every creative before it goes live. Nothing that reads as spam or breaks a test.

What your placement looks like, live in a real response:

{
  "page": 2,
  "data": [ "...six users..." ],
  "_meta": {
    "powered_by": "ReqRes",
    "sponsor": {
      "by": "Your Company",
      "url": "https://yourcompany.com",
      "text": "Test auth flows without the setup"
    }
  }
}

One labelled block. The rest of the response is untouched, so nothing breaks in a test.

Site placements

Homepage

A labelled unit on reqres.in, roughly four million visits a month, the first thing developers see.

Interactive playground

The live request/response playground on the homepage, where developers actively send real requests.

Docs

The documentation, where developers arrive ready to build.

Blog

The /blog/free-api-for-testing article, our best-read content page.

Full site takeover on request

Every placement, exclusive. Ask for a custom quote.

Get in touch

Tell us what you want to promote and we'll come back within one business day with availability and options. No slot picked yet is completely fine, a general enquiry works. Prefer to just email? hello@reqres.in.

One sponsor per slot. Every sponsor link is labelled and carries rel="sponsored". We approve every creative before it goes live: no scams, crypto-pump, or adult content.