# How WEX uses GitHub Copilot

**60%**: “the team is seeing an estimated 60% ROI, with licenses paying for themselves almost immediately”

As published on [github.com](https://github.com/customer-stories/wex), January 2026. Captured by usedby on 2026-10-24.

- Company: [WEX](https://www.usedby.ai/companies/wex.md)
- Tool: [GitHub Copilot](https://www.usedby.ai/tools/github-copilot.md)
- Industry: [Fintech & Payments](https://www.usedby.ai/companies/industry/fintech-payments.md)
- Teams: Platform Engineering, Development Enablement

## The use case: how WEX deploys GitHub Copilot

WEX developers use GitHub Copilot to write and refactor code, generate tests, and speed up new application development. The company also made Copilot Code Review a default across every repository and uses Agent Mode and the Coding Agent.

Summary written by usedby from the source page, in English. The figures are those of GitHub Copilot and WEX, not ours.

> Developers are driving productivity by using Copilot to help write and refactor code, generate tests, and accelerate new application development. And it’s paying off: the team is seeing an estimated 60% ROI, with licenses paying for themselves almost immediately.

- **~30%**: “helping WEX see a huge lift in deployments, with ~30% more code shipped.”
- **two-thirds**: “Today, two-thirds of developers are using Copilot—including the organization's most active contributors.”

> GitHub Copilot has been transformative for WEX. More and more of our developers are using it to drive value every day.
>
> Christian Oestreich, VP of Platform Engineering

Source: [github.com](https://github.com/customer-stories/wex), captured 2026-10-24.

## Other AI tools used by WEX

- [Augment Code](https://www.usedby.ai/tools/augment-code.md) — Observed
- [Snyk](https://www.usedby.ai/tools/snyk.md) — Observed
- [ThoughtSpot](https://www.usedby.ai/tools/thoughtspot.md) — Observed
- [UiPath](https://www.usedby.ai/tools/uipath.md) — Observed

## GitHub Copilot users in Fintech & Payments

- [Nubank](https://www.usedby.ai/companies/nubank.md) — Observed
- [Stripe](https://www.usedby.ai/companies/stripe.md) — Observed
- [Block](https://www.usedby.ai/companies/block.md) — Signal
- [Ebury](https://www.usedby.ai/companies/ebury.md) — Signal
- [Sumup](https://www.usedby.ai/companies/sumup.md) — Signal

## What usedby checked

We compared the story with its live page on 2026-10-24.

- Checked: the figure 60% is printed word for word on the page, near the name of WEX.
- Checked: the passage quoted above is copied word for word from the page, near the name of WEX.
- Checked: the publication date is read from the page’s own metadata, never guessed.
- Checked: WEX uses GitHub Copilot. Confirmed line. Latest check across sources: 2026-10-24.
- Not checked: the result itself. We quote it; we did not measure it.

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Source: https://www.usedby.ai/case-studies/wex-github-copilot · How we check: https://www.usedby.ai/methodology