ASTRA DEVELOPER PLATFORM // THE STRIPE FOR RECONCILIATION

Programmable Settlement & Sovereign Ledger APIs

Eliminate weeks of brittle spreadsheet reconciliation and opaque processor reporting. Settler Astra provides deterministic multi-rail APIs, sub-millisecond invariant assertions, and cryptographic Merkle root sealing for Stripe, PayPal, and enterprise ERPs.

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Settlement Throughput

142,890

Transactions / Sec

Floating-Point Drift

0.0000%

Strict Integer Cents

Bilateral Matching Latency

18.4ms

P99 Core Engine

Tenant Isolation

100.0%

RLS & Repo Guarded

Settler Astra API Console

v1.4 Live Sandbox

Deterministic matching, sub-millisecond invariant assertions & programmable Merkle sealing

Kernel Sandbox Ready

POST/v1/reconcile/bilateral

Reconciles simultaneous Stripe & PayPal ledger events into a unified double-entry journal with Merkle proof sealing.

Client SDK Generator

curl -X POST https://api.settler.io/v1/reconcile/bilateral \
  -H "Authorization: Bearer stlr_live_9f823a9d8214" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: 1789094755879-req" \
  -d '{"tenantId":"tenant_enterprise_019a","rails":["stripe","paypal"],"timeWindowSec":180,"toleranceBps":5,"transactions":[{"rail":"stripe","paymentIntentId":"pi_3NqKl9F2eZvKYlo20bA","amountCents":14900,"currency":"USD","interchangeTier":"CONSUMER_REWARDS_L3","declaredFeeCents":462},{"rail":"paypal","captureId":"CAP-98234419A","amountCents":14900,"currency":"USD","channel":"EXPRESS_CHECKOUT","declaredFeeCents":462}]}'

Request Body (JSON)

Zero-Float Integer Arithmetic Enforced

HTTP Response

Awaiting Request Trigger

Hit Send Live Request to run the deterministic reconciliation protocol and inspect authentic Merkle root outputs.

Client-Side Merkle Attestation

Multi-Tenant RLS Isolated

TigerBeetle Dual-Entry Enforced

Integrate in Minutes

Install Settler Astra across your backend stack with native client SDKs engineered for TypeScript, Python, Go, and Rust.

pnpm add @settler/sdk @settler/types

Ready to Replace Fragile ETL with Astra?

Join enterprise fintechs and global platforms that reconcile billions with mathematical certainty. Start testing with sandbox API keys or upload raw statements directly.

Launch Connection Wizard Try Document Onboarding

Loading Settler...

curl -X POST https://api.settler.io/v1/reconcile/bilateral \ -H "Authorization: Bearer stlr_live_9f823a9d8214" \ -H "Content-Type: application/json" \ -H "Idempotency-Key: 1789094755879-req" \ -d '{"tenantId":"tenant_enterprise_019a","rails":["stripe","paypal"],"timeWindowSec":180,"toleranceBps":5,"transactions":[{"rail":"stripe","paymentIntentId":"pi_3NqKl9F2eZvKYlo20bA","amountCents":14900,"currency":"USD","interchangeTier":"CONSUMER_REWARDS_L3","declaredFeeCents":462},{"rail":"paypal","captureId":"CAP-98234419A","amountCents":14900,"currency":"USD","channel":"EXPRESS_CHECKOUT","declaredFeeCents":462}]}'