The use case: how Formance deploys Speakeasy
Formance uses Speakeasy to generate and maintain SDKs for its open source ledger API in several languages, automated through CI/CD and embedded in its open source monorepo. This removes the manual SDK upkeep from its engineers.
More reported results
Figures published in Speakeasy’s case study. They are not independently measured by usedby.
get set up in 2 weeks without dedicated engineering resources.
In the customer’s words
Right before adopting Speakeasy, SDK maintenance was getting out of control. We had one developer spending at least 5 hours/week generating new SDKs for every API release. And now that mental load is just gone.Other AI tools used by Formance
Other public relationships recorded on usedby.
Explore Formance’s AI stack
Other companies using Speakeasy
Customers across industries, with public evidence.
AirbyteConfirmed
Apex Fintech SolutionsConfirmed
ApitureConfirmed
CodatConfirmed
ConductorOneConfirmed
EpilotConfirmedGo straight to the source
Based on Speakeasy’s published case study. We check the public evidence; the results are reported by the vendor.
speakeasy.com- Last checked
- Nov 12, 2026
Open source capture What the story claims, and what we checked
What we compared with the page.
- The figure: 5 hours/weekChecked
Printed word for word on the page, near the name of Formance.
- The passage quoted aboveChecked
Copied word for word from the page, near the name of Formance.
- Formance uses SpeakeasyChecked
Confirmed line.
- The result itselfNot checked
We quote it; we did not measure it.
Right before adopting Speakeasy, SDK maintenance was getting out of control. We had one developer spending at least 5 hours/week generating new SDKs for every API release. And now that mental load is just gone.