Settler
Reconciliation That Respects Your Workflow
No black boxes. No vendor lock-in. Just clean, deterministic code that runs where you want it.
Fully Open Source
Apache 2.0 licensed. Audit, modify, self-host.
Deterministic Output
Same data + same rules = same results. Always.
CLI & API First
Programmatic reconciliation. CI/CD integration ready.
Data Sovereignty
Your data stays in your infrastructure.
Replayable Runs
Re-run any reconciliation with identical results.
Version Controlled Rules
Rules as code. Review, test, deploy like software.
Reconciliation in 4 Lines of Code
Install the SDK, define your rules, run reconciliation, review evidence. No complex setup required.
Install SDK
npm install @settler/sdk. No complex setup, no vendor lock-in.
npm install @settler/sdkDefine Rules
Write deterministic matching rules in code. Version control them.
rules: { matching: [{ field: 'amount', tolerance: 0.01 }] }Run Reconciliation
Execute via API or CLI. Same inputs always produce same outputs.
await client.reconciliations.create(config)Review Evidence
Inspect variance sets with full audit trail. Export to JSON/CSV.
Evidence: SHA256 hash chainInspectable, Testable, Version Controlled
Your reconciliation rules are code. Review them in PRs, test them in CI, deploy them with confidence.
Type Safe
Full TypeScript support with IntelliSense
Deterministic
Same inputs always produce same outputs
Auditable
Complete evidence chain with SHA256 hashes
Certainty at Decision Speed
Every feature serves: reduce uncertainty, detect change, prescribe action, prove it later.
Meaningful Changes
See what changed with impact ranking and explanations. Not raw diffs—actual insights.
Smart Reconciliation
Actionable reconciliation ranked by impact. Know what matters, why it matters, and what to do.
Tamper-Evident Receipts
Audit-ready receipts with hash chain integrity. Boring, perfect, immutable.
Intelligent Alerts
Rare, relevant, explained. Alerts that tell you why they triggered and what to do next.
AI-Powered Analysis
Advanced AI analysis for deeper insights. Understand patterns, predict issues, get recommendations.
Settler vs. The Alternatives
See how Settler compares to manual processes and closed-source solutions
How Settler Compares
See why Settler's judgment layer and meaningful insights set us apart.
| Feature | Best Settler | Competitor A | Competitor B |
|---|---|---|---|
| Meaningful Changes | Basic | ||
| Impact Ranking | |||
| Hash Chain Receipts | |||
| AI Analysis | Growth+ | Enterprise Only | |
| Judgment Layer | |||
| Feature Flags as Policy | |||
| Tamper-Evident Audit Trail | |||
| Explanations & Why It Matters | Limited |
* AI Analysis available on Growth and Enterprise plans.
Calculate Your Time Savings
See how much engineering time you can reclaim by automating reconciliation
Calculate Your ROI
See how much Settler can save you
Trusted by Engineering Teams
See what developers are saying about reconciliation as code
Loved by Developers & Finance Teams
See what our customers are saying
"Settler eliminated $100K+ in annual risk by providing deterministic reconciliation with complete audit trails. System-level enforcement, not human promises. Compliance-ready from day one."
Common Questions
Own Your Reconciliation Logic
Stop relying on black boxes. Deploy reconciliation you can audit, test, and version control. Start free, self-host when ready.
No credit card required. Open source forever.