Payment Integration API with SDKs, Webhooks & Sandbox
OpenAPI-first payment platform with typed SDKs, reliable webhooks, and production-like sandbox. Ship integrations in hours with idempotency keys, semantic versioning, and comprehensive documentation for engineering teams.
What it does#
APIs follow OpenAPI with SDKs, idempotency, and reliable webhooks. Sandbox and examples shorten integration time.
- •OpenAPI and SDKs for major languages
- •Webhooks with signatures and retries
- •Idempotency keys and rate limits
- •Sandbox and examples to ship faster
How it works
Authenticate
Create an API key or OAuth client; scope by role and environment
Integrate
Call REST endpoints or use SDKs; receive events via webhooks
Observe
Correlate requests and events with request IDs and logs
Evolve
Pin a version; upgrade with deprecation windows and contract tests
What you can configure#
Keys & scopes
env-specific keys, role scopes, IP allowlists
Webhooks
endpoints, secrets, retry policy, DLQ, replay window
SDKs
pinned versions, retry/backoff, connection pooling
Sandbox
seed data, fixtures, failure injection, time travel
Integrations & coverage#
SDKs
TypeScript/JavaScript, Python, Java (Kotlin-compatible)
Tools
Postman, OpenAPI/Swagger, CLI, Terraform examples
Events
payments, routing decisions, alerts/casework, settlements/receipts, reconciliation outcomes
Artifacts & events
api_key_created, first_call_success, webhook_received, webhook_replayed, docs_opened
Global API Infrastructure#
Europe (EU)
- •Endpoints: Frankfurt, Dublin
- •Compliance: GDPR-compliant API logs, data residency controls, EU data centers
- •Performance: < 150ms p95 intra-EU
United States
- •Endpoints: Virginia, Oregon
- •Compliance: SOC 2 Type II API security, encryption at rest and in transit
- •Performance: < 180ms p95 coast-to-coast
United Kingdom
- •Endpoints: London
- •Compliance: UK GDPR API logging, FCA-aligned security controls
- •Performance: < 120ms p95 UK domestic
Singapore
- •Endpoints: Singapore
- •Compliance: MAS TRM API standards, PDPA data protection
- •Performance: < 100ms p95 APAC
Australia
- •Endpoints: Sydney
- •Compliance: APRA CPS 234 API controls, Privacy Act compliance
- •Performance: < 130ms p95 Australia domestic
Developer Experience Metrics#
For whom#
Demo hook#
Run three calls and see one webhook:
- 1.Create a payment intent
- 2.Confirm with a corridor and amount
- 3.Receive
route_selectedandreceipt_emittedwebhooks
Frequently Asked Questions
Related capabilities#
Ship an integration this week
Use the sandbox to make three calls and validate a webhook end-to-end.