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](https://secure.agree.com/documentation)

## 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** \nSend your first invoice in three API calls.](https://secure.agree.com/documentation#section/Introduction/Quick-Start)  
[key **Authentication** \nLearn how to auth with Bearer tokens & manage API keys.](https://secure.agree.com/documentation#section/Introduction/Authentication)  
[receipt **Invoices** \nCreate, send, and manage invoices with full control.](https://secure.agree.com/documentation#tag/Invoices)  
[signature **Agreements** \nGenerate agreements from templates and collect signatures.](https://secure.agree.com/documentation#tag/Agreements)  
[contacts **Contacts** \nManage your customers and sync contact data.](https://secure.agree.com/documentation#tag/Contacts)  
[webhook **Webhooks** \nSubscribe 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.

- circlecheck_circleRevenue data stays in sync in realtime  
- circlecheck_circleFits into your existing CRM, ERP, and accounting stack  
- circlecheck_circleAPIs and webhooks enable advanced automation

### Revenue on autopilot.

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

[Talk to the team](http://cal.com/team/agree/demo)