settlematic
Integrations

Connect to your stack

REST APIs, webhooks, agent tools, and embeddable checkout - built for developers and operators who need reliable crypto payment infrastructure.

Definition

What is Settlematic integrations?

Settlematic integrates via REST API, signed webhooks, iframe embeds, CSV exports, and Claude MCP for agent workflows. All modules share one authentication and event model.

REST

API

OpenAPI across all modules

HMAC

Webhooks

Signed event deliveries

MCP

Agents

Claude workflow tools

iframe

Embeds

Checkout in your UI

Integration catalog

REST API

live

Create invoices, payment links, and gateway checkout sessions programmatically.

Webhooks

live

Signed HMAC deliveries with retry, event logs, and idempotency keys.

Claude MCP

live

Agent-driven invoice creation, payment status checks, and workflow automation.

Embeds

live

iframe checkout for payment links and gateway sessions inside your app.

CSV exports

live

Payments and tax line data for accounting and reconciliation.

QuickBooks / Xero

roadmap

Export pipelines for reconciliation with accounting software.

Developers

One API across all modules

Authenticate with scoped API keys. Create invoices, open gateway sessions, and subscribe to webhooks - all from OpenAPI-documented REST endpoints with testnet and mainnet environments.

Developer resources
Settlematic API keys settings showing Claude MCP connector setup with remote server URL and recommended scopes

Operators

Webhooks your finance team can trust

Every payment event delivers with an HMAC signature your backend verifies. Event logs show retries and payloads - so engineering and ops debug from the same source of truth.

See the payment flow
Settlematic webhook endpoint setup subscribing to invoice and payment events for automation

Agents

Claude MCP for payment workflows

Connect Settlematic to agent workflows - create invoices, check payment status, and automate ops from Claude Desktop or custom MCP clients without writing glue scripts.

MCP setup guide
Settlematic API keys settings showing Claude MCP connector setup with remote server URL and recommended scopes

Finance

Exports that close the books

CSV exports for payments and tax lines feed accounting workflows today. QuickBooks and Xero pipelines are on the roadmap for direct reconciliation sync.

Settlematic Tax & compliance report for Settlematic Demo LLC showing gross receipts, taxable sales, rate breakdown, and filing readiness checks

Common integration patterns

How engineering and finance teams connect Settlematic to products, agents, and accounting workflows.

Provision on payment

Subscribe to payment.confirmed webhooks to unlock SaaS seats, ship digital goods, or update CRM records the moment crypto lands.

Embed checkout

Drop iframe checkout into your app for payment links or gateway sessions - same detection rails as hosted pages.

Automate invoicing

Create invoices and recurring schedules from your backend when subscriptions renew or projects close.

Platform payouts

Use Gateway webhooks to provision access, update orders, and reconcile merchant settlements from one event stream.

Agent-driven ops

Use Claude MCP to draft invoices, chase overdue payments, and summarize ledger activity for finance standups.

Month-end close

Export payment CSVs for reconciliation with your accounting stack - one source of truth across Collect and Gateway.

Yes. Scoped API keys work across Collect and Gateway. Permissions limit which endpoints each key can access.

Start invoicing, accepting, and paying in crypto

Collect and Gateway on one non-custodial platform - funds always sweep to wallets you control.