How do I integrate Close API with my application?

Apideck provides a unified CRM API that makes Close integration simple. Sign up for free, enable Close in your dashboard, and use our Vault component to let your users connect their Close accounts. We handle OAuth authentication, token refresh, and data normalization automatically.

What Close data can I access through Apideck?

Our Close integration supports 6+ data models including leads, companies, users, and contacts. You can perform read and write operations through our unified API, working with the same code structure across all crm platforms.

How does Close authentication work with Apideck?

Apideck's Vault handles Close authentication completely. Your users connect their Close accounts through our secure, white-label UI. We manage OAuth tokens, automatic refresh, and credential storage, so you never have to implement Close's auth flow yourself.

How do I keep my app in sync with Close?

While Close has limited native webhook support, Apideck provides polling-based sync and virtual webhooks to keep your data current. Configure your sync frequency in the dashboard, and we'll handle fetching updates from Close.

Why use Apideck instead of Close's direct API?

Using Apideck's unified API instead of Close's direct API saves significant development time. You get normalized data models, automatic auth handling, and the same integration code works with 200+ other apps. When Close updates their API, we handle the changes so your integration keeps working.

How quickly can I build a Close integration?

Most developers ship a working Close integration within a day using Apideck. Sign up for a free trial (no credit card required), enable Close, and make your first API call within minutes. Our SDKs for Node.js, Python, and other languages make implementation straightforward.

Close CRM API integration

Build Close CRM and Lead integrations in minutes, not months. One API to sync permissioned crm data with Close and 20+ other apps.

6+ data models

SOC 2 certified

Free trial

Manage your integrations

Available in 6 languages

Close
CRM API
Act
CRM API
ActiveCampaign
CRM API
Copper
CRM API

Trusted by fast-moving product & engineering teams

Integration Guide

How to integrate Close API in 3 steps

Build a production-ready Close CRM API integration in minutes, not months. No OAuth headaches, no maintenance burden.

Step 01

Create your Apideck account

Start your free trial
2,500 API calls included
No credit card required

Step 02

Connect Close via Vault

Use our pre-built Vault component to let your users securely connect their Close account. We handle OAuth, token refresh, and credential storage.

White-label auth UI
Automatic token refresh
SOC 2 certified storage

Step 03

Start syncing crm data

Make API calls to read and write crm data from Close. Use the same code to connect 200+ other apps.

Normalized data models
Real-time webhooks
Full CRUD support

Start Close integration

Free trial • No credit card required • Setup in under 5 minutes

Code Example

Close API integration code

Integrate Close with just a few lines of code. Our unified CRM API normalizes data across 200+ integrations, so you write once and connect everywhere.

Normalized responses — same data structure for all crm apps
Official SDKs — Node.js, Python, and more with TypeScript support
Full documentation — interactive API reference with Close-specific examples

View Close API documentation →

import { Apideck } from '@apideck/node'

const apideck = new Apideck({
  apiKey: process.env.APIDECK_API_KEY,
  appId: process.env.APIDECK_APP_ID,
  consumerId: 'user-123'
})

// List contacts from Close
const { data } = await apideck.crm.contactsAll({
  serviceId: 'close'
})

console.log(`Found ${data.length} contacts`)

Explore all SDKs ↓

Why integrate Close with Apideck?

Build a production-ready Close integration with enterprise-grade reliability

Ship Close integration fast

Go live with Close in days, not months. Our unified CRM API handles authentication, data normalization, and error handling so your team can focus on building features.

6+ Close data models

Access 6+ data models for Close including leads, companies and contacts. Read and write data through a single standardized API.

Real-time webhook coverage

Keep your product synchronized with Close using webhooks. Receive push updates for invoices, customers, payments, and more without polling.

API Resources

Push and pull Close data

Use our Unify API to get real-time data from Close

Technical Specifications

Close API integration details

Everything you need to know about integrating Close through our unified CRM API.

Authentication

Basic Auth

Username/password authentication

Data Models

6+ resources

Access 6+ normalized data models

Webhooks

Polling supported

Scheduled polling for updates

Security

SOC 2 Type II

Enterprise-grade security certified

Token Management

Automatic refresh

Never worry about expired tokens

API Format

REST + JSON

Standard REST API with JSON responses

Close direct API vs Apideck unified API

Feature	Direct Close API	Apideck Unified API
OAuth implementation	Build from scratch	Handled by Vault
Token refresh	Manual handling	Automatic
Data normalization	Close format only	Normalized across 200+ apps
Error handling	Platform-specific	Unified error codes
Rate limit management	DIY implementation	Built-in throttling
Maintenance	Ongoing updates required	We handle API changes
Additional integrations	Separate work each	Same code, 200+ apps