For · Engineering Teams

API-first subscriptions. Less glue code.

REST, webhooks, and SDKs. Predictable data models. Decoupled services. Built for backend, platform, and DevOps teams who integrate once and move on.

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Built to fit your architecture - not replace it.

Predictable data models. Explicit lifecycle states. Event-driven integration patterns. No vendor-lock surprises hiding in the runtime.

Integrate once. Evolve forever.
Clean Contracts

REST + webhooks + SDKs. Versioned. Documented.

  • OpenAPI-specified REST endpoints
  • Typed SDKs for TypeScript, Python, Go, Java, Ruby
  • Webhooks with idempotency keys and replay API
  • Versioned with long deprecation windows
// TypeScript SDK const azotte = new Azotte(API_KEY); const sub = await azotte .subscriptions.get('sub_123'); // Webhook handler app.post('/hook', (req, res) => { azotte.verify(req); ...
SDK · webhook · OpenAPI contract
Event-Driven

Reliable events. Decoupled services.

  • At-least-once delivery with idempotency guarantees
  • In-order events per subscription
  • Dead-letter queue with replay for downstream failures
  • Stream export to Kafka, SNS, or Pub/Sub
coresubscription.createdid · 1
coreentitlement.grantedid · 2
billingpayment.capturedid · 3
coresubscription.renewedid · 4
trustaudit.recordedid · 5
In-order · at-least-once · replayable
Observable + Auditable

You can see everything that happened.

  • Audit trail for every state change
  • Correlation IDs across subscription, payment, and event streams
  • Health status, throughput, and latency exposed via API
  • Tenant-scoped RBAC for API keys and admin actions
p99 latency38ms
Webhook SLA99.98%
Event backlog0
Health signals and audit trails

Predictable platform. Fewer edge cases.

Clean contracts.Reliable events.Observable end-to-end.
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