Playbooks

Guides for operators, engineers, and compliance

Every article captures a key PayCA programme flow — from onboarding users and settling fees to processing webhook retries.

All guides

Bookmark the guides relevant to your team, or submit a pull request with edits when behaviours change.

Track fees surfaced through PayCA APIs and webhooks so finance teams can reconcile revenue accurately.

A single map of how money moves across cards, accounts, user wallets, and fees.

Move money from your master accounts into user wallets, then confirm activity with API responses and webhooks.

Understand the objects exposed through the PayCA API so you can organise users, cards, balances, and event streams.

Simple, up-to-date map of the PayCA user lifecycle and the APIs that drive it.

Enable wallet-ready BINs, kick off tokenization, and consume the webhook that carries the Apple/Google Pay attachment code.

Use PayCA’s sandbox to simulate card spend, fees, and webhook retries before you ship to production.

Spin up credentials, configure environments, and make your first PayCA API calls in less than an hour.

Verify signatures, store payloads idempotently, and replay missed deliveries with confidence.

Understand headers, idempotency keys, pagination, and error handling conventions for every PayCA endpoint.

Coordinate engineering, finance, and support for a smooth transition from sandbox to production.

Provision, fund, and monitor new users with predictable KYC, card issuance, and liquidity workflows.