The Brex API

What it does

Brex credit cards and business accounts help startups scale fast, and Brex’s API can make you even faster. Use our API to power your internal tools, create custom workflows, and automate payments, issue virtual cards, reporting, and much more.

APIs to build on top of the Brex financial OS.

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  Brex 1-Click Accounting by Puzzle's API2025 · brex.com · ▲201

  The fastest way to do accounting

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  Brex2018 · brex.com · ▲275

  The corporate card and business account built for scale.

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  Brex for 1Password Teams and Business2022 · support.1password.com · ▲11

  Autofill Brex virtual cards from 1Password in the browser

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  Brex Rewards2018 · brex.com · ▲115

  The most valuable rewards program for startups

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  Brex Cash2019 · brex.com · ▲243

  Replace your bank account with Brex Cash.

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  Brex for Ecommerce2019 · brex.com · ▲87

  Interest-free financing for ecommerce

• 
  /dev/null▲482

  a social network for devs

  Dev tools · 2d ago · dev-null.sh

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  Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

  open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

  Dev tools · 27d ago · github.com

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  Reladraw – A diagram language where you decide where to place things▲411

  Contribute to reladraw/reladraw development by creating an account on GitHub.

  Dev tools · 25d ago · github.com

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  OpenBot▲362

  Grok Bot alternative: free, local, open-source, multiplayer

  Dev tools · 22d ago · openbot.run

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  Talanoa▲343

  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

  Dev tools · 20d ago · talanoa.email

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  CoreSpeed▲332

  One MCP for everything your agents need: apps, memory, tools

  Dev tools · 28d ago · corespeed.io

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  Tweet Hunter for Twitter▲930

  AI powered Twitter growth & scheduling for makers

  Growth · 2021 · tweethunter.io

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  Vimcal▲883

  Superhuman for Calendar

  Work · 2021 · vimcal.com

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  Thursday▲834

  Where remote teams do their socials, no sign up required

  Work · 2021 · thursday.social

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  Reform▲767

  Clean-looking, on-brand forms. No code required.

  Dev tools · 2021 · reform.app

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  CleanUp.Pictures▲750

  Remove objects and defects from your pictures - 100% free

  AI · 2021 · cleanup.pictures

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  Canva Video Suite▲723

  Create, edit, and record stunning videos with ease

  Growth · 2021 · canva.com