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Webhooks let Rain notify your systems the moment something happens, so you can react to card activity, transactions, transfers, disputes, and compliance changes without polling the API. Rain delivers each event as a signed HTTP POST request to the endpoint you configure.

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Webhook Event Flow

See where the main events fire across a card-issuing program.

Set Up Webhooks

Register your endpoint, choose a signing key, and verify signatures.

Webhook Delivery

Understand the lifecycle, responses, ordering, retries, and versioning.

Event Catalog

Look up any event by category, delivery model, and trigger.

Event types

Rain’s events are grouped into the categories below. Use each category page to review its payloads, fields, and version history.

Transactions

Track spend, collateral, payment, and transfer events across their lifecycles.

Cards & Authentication

Monitor card status changes, digital wallet provisioning, and 3D Secure authentication.

Identity & Compliance

Follow application, KYC, and KYB status updates for users and companies.

Disputes

Respond to dispute creation, status changes, evidence requests, and chargebacks.

Account & Reports

Receive collateral contract creation and BIN report notifications.

Payment Routes

Review payment-route activation events for on-ramp and off-ramp funding pathways, plus account-verification micro deposits.

Raindrops Rewards

Track Raindrops balance requests and travel redemptions.