Agree raises $10.6M to Launch AI Agents that Run Your Revenue Stack](https://techcrunch.com/2025/05/06/agree-com-raises-7-2m-to-take-on-docusign-bill-com-with-ai/)

Built for developers.

Integrate invoicing, agreements, contacts, and webhooks directly into your application. Full REST API with OAuth authentication.

API Documentationopen_in_new

Enterprise-grade revenue lifecycles.

Build programmatic access to your full contract-to-cash pipeline.

Build custom revenue workflows that fit your business — from quoting to collection.

Create and send invoices programmatically.

ACH, card, and wire — one-time or recurring on any schedule. One API call creates the invoice and emails a payment link.

Automate contract workflows end to end.

Generate agreements from templates, assign signature fields, and attach invoices — all in one programmatic flow.

Keep customer data in sync.

Manage your address book through the API. Contacts are created automatically when you invoice a new email.

Get notified in real time.

Webhooks fire on every event — payments, signatures, invoice status changes. No polling required.

Embed payments in your app.

Let customers pay directly inside your product with hosted payment links. No need to build checkout from scratch.

Quick start guides & docs

Everything you need to start building with the Agree API.

[rocket_launch **Quick Start**
Send your first invoice in three API calls.](https://secure.agree.com/documentation#section/Introduction/Quick-Start) [key **Authentication**
Learn how to auth with Bearer tokens & manage API keys.](https://secure.agree.com/documentation#section/Introduction/Authentication) [receipt **Invoices**
Create, send, and manage invoices with full control.](https://secure.agree.com/documentation#tag/Invoices) [signature **Agreements**
Generate agreements from templates and collect signatures.](https://secure.agree.com/documentation#tag/Agreements) [contacts **Contacts**
Manage your customers and sync contact data.](https://secure.agree.com/documentation#tag/Contacts) [webhook **Webhooks**
Subscribe to events and verify payloads.](https://secure.agree.com/documentation#tag/Webhooks)

Built to plug into your stack.

Use the API to plug into your existing systems or build fully custom billing and contract experiences.

Automate invoicing

Create and send invoices programmatically with support for ACH, card, and wire payments. Set up recurring billing on any schedule.

Embed payments in your app

Let customers pay directly inside your product with hosted payment links. No need to build a checkout flow from scratch.

Sync your contacts

Keep customer data in sync between Agree and your CRM or internal systems. Contacts are created automatically when you invoice a new email.

Automate contract workflows

Generate agreements from templates, collect signatures, and attach invoices — all in one programmatic flow.

Real-time notifications

Get instant webhook events when invoices are paid, agreements are signed, or payments fail. No polling required.

Build custom reporting

Query invoices by status, date range, amount, or customer. Pull real data into your own dashboards and analytics tools.

Syncs with your stack.

• Revenue data stays in sync in real-time
• Fits into your existing CRM, ERP, and accounting stack
• APIs and webhooks enable advanced automation

Agree API

Agree.agent.handle('payment.settled')

Revenue on autopilot.

Agree orchestrates contracts, billing, and revenue—so you don't have to.

Talk to the team

15–30 min · No forms · No pressure