# Insightly REST API v3.1

**Canonical:** https://apis.io/apis/insightly/rest-api/  
**Provider:** Insightly — https://apis.io/providers/insightly/  
**Base URL:** https://api.{pod}.insightly.com/v3.1  
**Documentation:** https://api.insightly.com/v3.1/Help

Insightly REST API v3.1 is one of 8 APIs that [Insightly](https://apis.io/providers/insightly/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include CRM, Contacts, Leads, Opportunities, and Project. The published artifact set on APIs.io includes API documentation.

REST API for managing contacts, organizations, leads, opportunities, projects, tasks, events, products, price books, quotes, and custom objects in Insightly. Uses HTTP Basic authentication with a Base64-encoded API key as the username and an empty password, against a pod-specific host.

## Machine-readable artifacts (2)

- **Documentation** — https://api.insightly.com/v3.1/Help
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/insightly/refs/heads/main/apis.yml

## Other Insightly APIs (7)

- [Insightly Contacts API](https://apis.io/apis/insightly/insightly-contacts-api/)
- [Insightly Leads API](https://apis.io/apis/insightly/insightly-leads-api/)
- [Insightly Opportunities API](https://apis.io/apis/insightly/insightly-opportunities-api/)
- [Insightly Organisations API](https://apis.io/apis/insightly/insightly-organisations-api/)
- [Insightly Products API](https://apis.io/apis/insightly/insightly-products-api/)
- [Insightly Projects API](https://apis.io/apis/insightly/insightly-projects-api/)
- [Insightly Quotations API](https://apis.io/apis/insightly/insightly-quotations-api/)

## Tags

CRM, Contacts, Leads, Opportunities, Project

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/insightly/rest-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/insightly/.