You can build it yourself. Here's what that actually costs.
FEATURE
BUILDING IN-HOUSE
CLAREMESH
Initial build time
2-6 months for 2 providers
npm install — 5 minutes for 6 providers
Maintenance
Ongoing: provider API changes, schema drift, new edge cases
Community-maintained. PR-tested edge case corpus grows over time.
Sign convention bugs
Discovered in production, per-provider
Solved once in the transform. Tested against real provider data.
Compliance
Build your own controls, document your own frameworks
29 controls pre-built. Dashboard ready day one.
New provider cost
2-4 weeks per provider integration
One import statement per provider
Schema evolution
Custom migration scripts, manual testing
Semver with CI validation, canary rollouts
Total cost (year 1)
$50K-150K in eng time (2 developers × 3-6 months)
$199-$799/mo ($2,388-$9,588/year)
Open source exit
You own all code but maintain all code
MIT schema. Fork anytime. We earn retention, not lock-in.
The honest take
Building in-house makes sense if financial data normalization is your core product. If it's infrastructure that supports your product, ClareMesh saves 6+ months of engineering time and replaces ongoing maintenance with a tested, versioned dependency.