Financial infrastructure for developers

Inspired by developer-first payment platforms. Copal gives you REST endpoints, webhook events, and typed SDKs so you ship billing without negotiating with banks.

Trusted by fintech and platform teams

Copal sits beside the stacks you already deploy on.

Terminal

curl https://api.copal.dev/v2/payments \
  -H "Authorization: Bearer sk_live_..." \
  -d amount=2900 \
  -d currency=usd \
  -d customer=cus_8f2k9x

Idempotent payment endpoints with sandbox keys, rate-limit headers, and structured error codes your CI can parse.

Latency p99

42ms

Uptime

99.99%

Regions

API surface at a glance

Every endpoint your integration needs, grouped in one view.

Payments API

Create charges, refunds, and subscriptions with idempotent POST requests and typed error codes.

Webhooks

Signed events with replay.

Connect

Marketplace payouts and splits.

Radar rules

Block fraud before it hits your ledger with configurable risk scores.

Usage-based pricing

Pay per successful API call. No setup fees on the builder tier.

Builder

For side projects and staging environments.

$0/ month + usage

10k API calls included
Sandbox keys
Dedicated support

Growth

For production apps with real volume.

$99/ month + usage

1M API calls included
Webhook replay
Priority routing
Slack support

Enterprise

Custom contracts and compliance reviews.

Custom

Dedicated cluster
SSO and audit logs
Custom SLAs
Solution engineer

Trusted by platform teams

Engineers who replaced legacy billing with Copal.

“We migrated off a legacy gateway in two sprints. The webhook replay tool alone saved our on-call rotation.”

“Sandbox keys mirror production behavior. Our integration tests finally catch real edge cases.”

“The TypeScript SDK types match the docs exactly. No more guessing field names at 2 a.m.”

Ship billing this week

Create a sandbox account, run the curl example above, and watch the webhook land in your dashboard.