Insightly website screenshot

Insightly

Insightly is a CRM and project management platform for small and mid-sized businesses, combining contact and lead management, opportunity pipelines, project delivery, and marketing automation. The Insightly REST API provides programmatic access to contacts, organizations, leads, opportunities, projects, products, price books, quotes, and custom objects for CRM integrations and workflow automation.

Insightly publishes 7 APIs on the APIs.io network, including Contacts API, Leads API, Opportunities API, and 4 more. Tagged areas include CRM, Project Management, Lead Management, Opportunities, and Contacts.

Insightly’s developer surface includes authentication, documentation, support, signup flow, pricing, engineering blog, and 6 more developer resources.

🌐 Visit website 📡 Source on GitHub
29.8/100 thin ▬ flat Agent 28/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessSelf serve
8 APIs
CRMProject ManagementLead ManagementOpportunitiesContactsSMB

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 29.8/100 · thin
Contract Quality 14.4 / 25
Developer Ergonomics 5.2 / 20
Commercial Clarity 2.1 / 20
Operational Transparency 0.7 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 28/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/insightly: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 8

Individual APIs this provider publishes, each with its own machine-readable definition.

Insightly REST API v3.1

REST API for managing contacts, organizations, leads, opportunities, projects, tasks, events, products, price books, quotes, and custom objects in Insightly. Uses HTTP Basic aut...

Insightly Contacts API

The Contacts API from Insightly — 3 operation(s) for contacts.

Insightly Leads API

The Leads API from Insightly — 1 operation(s) for leads.

Insightly Opportunities API

The Opportunities API from Insightly — 1 operation(s) for opportunities.

Insightly Organisations API

The Organisations API from Insightly — 1 operation(s) for organisations.

Insightly Products API

The Products API from Insightly — 1 operation(s) for products.

Insightly Projects API

The Projects API from Insightly — 1 operation(s) for projects.

Insightly Quotations API

The Quotations API from Insightly — 1 operation(s) for quotations.

Scroll for all 8

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Insightly CRM API

OPEN COLLECTION

Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Insightly Authentication

http · 1 scheme

SECURITY

Insightly Domain Security

TLSv1.3 · DMARC

SECURITY

Insightly Vulnerability Disclosure

security.txt · contact published

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Insightly Agentic Access

12 operations · 3 acting

12 operations · 3 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

Signup
Signup

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

VulnerabilityDisclosure
VulnerabilityDisclosure
 DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

Support
Support

Commercial 1

Pricing, plans, and the legal terms of use

Pricing
Pricing

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: insightly
name: Insightly
description: Insightly is a CRM and project management platform for small and mid-sized businesses, combining contact and
  lead management, opportunity pipelines, project delivery, and marketing automation. The Insightly REST API provides programmatic
  access to contacts, organizations, leads, opportunities, projects, products, price books, quotes, and custom objects for
  CRM integrations and workflow automation.
type: Index
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/insightly.png
tags:
- CRM
- Project Management
- Lead Management
- Opportunities
- Contacts
- SMB
url: https://raw.githubusercontent.com/api-evangelist/insightly/refs/heads/main/apis.yml
created: '2026-05-11'
modified: '2026-05-11'
specificationVersion: '0.19'
apis:
- aid: insightly:rest-api
  name: Insightly REST API v3.1
  description: 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.
  humanURL: https://api.insightly.com/v3.1/Help
  baseURL: https://api.{pod}.insightly.com/v3.1
  tags:
  - CRM
  - Contacts
  - Leads
  - Opportunities
  - Projects
  properties:
  - type: Documentation
    url: https://api.insightly.com/v3.1/Help
- aid: insightly:insightly-contacts-api
  name: Insightly Contacts API
  description: The Contacts API from Insightly — 3 operation(s) for contacts.
  humanURL: https://api.insightly.com/v3.1/Help
  baseURL: https://api.{pod}.insightly.com/v3.1
  tags:
  - Contacts
  properties:
  - type: OpenAPI
    url: openapi/insightly-contacts-api-openapi.yml
- aid: insightly:insightly-leads-api
  name: Insightly Leads API
  description: The Leads API from Insightly — 1 operation(s) for leads.
  humanURL: https://api.insightly.com/v3.1/Help
  baseURL: https://api.{pod}.insightly.com/v3.1
  tags:
  - Leads
  properties:
  - type: OpenAPI
    url: openapi/insightly-leads-api-openapi.yml
- aid: insightly:insightly-opportunities-api
  name: Insightly Opportunities API
  description: The Opportunities API from Insightly — 1 operation(s) for opportunities.
  humanURL: https://api.insightly.com/v3.1/Help
  baseURL: https://api.{pod}.insightly.com/v3.1
  tags:
  - Opportunities
  properties:
  - type: OpenAPI
    url: openapi/insightly-opportunities-api-openapi.yml
- aid: insightly:insightly-organisations-api
  name: Insightly Organisations API
  description: The Organisations API from Insightly — 1 operation(s) for organisations.
  humanURL: https://api.insightly.com/v3.1/Help
  baseURL: https://api.{pod}.insightly.com/v3.1
  tags:
  - Organisations
  properties:
  - type: OpenAPI
    url: openapi/insightly-organisations-api-openapi.yml
- aid: insightly:insightly-products-api
  name: Insightly Products API
  description: The Products API from Insightly — 1 operation(s) for products.
  humanURL: https://api.insightly.com/v3.1/Help
  baseURL: https://api.{pod}.insightly.com/v3.1
  tags:
  - Products
  properties:
  - type: OpenAPI
    url: openapi/insightly-products-api-openapi.yml
- aid: insightly:insightly-projects-api
  name: Insightly Projects API
  description: The Projects API from Insightly — 1 operation(s) for projects.
  humanURL: https://api.insightly.com/v3.1/Help
  baseURL: https://api.{pod}.insightly.com/v3.1
  tags:
  - Projects
  properties:
  - type: OpenAPI
    url: openapi/insightly-projects-api-openapi.yml
- aid: insightly:insightly-quotations-api
  name: Insightly Quotations API
  description: The Quotations API from Insightly — 1 operation(s) for quotations.
  humanURL: https://api.insightly.com/v3.1/Help
  baseURL: https://api.{pod}.insightly.com/v3.1
  tags:
  - Quotations
  properties:
  - type: OpenAPI
    url: openapi/insightly-quotations-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/insightly-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/insightly-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/insightly-domain-security.yml
- type: Authentication
  url: authentication/insightly-authentication.yml
- type: GitHubOrganization
  url: https://github.com/Insightly
- type: LinkedIn
  url: https://www.linkedin.com/company/insightly
- type: Website
  url: https://www.insightly.com
- type: Documentation
  url: https://api.insightly.com/v3.1/Help
- type: Support
  url: https://support.insightly.com
- type: Signup
  url: https://www.insightly.com/signup/
- type: Pricing
  url: https://www.insightly.com/pricing/
- url: https://www.insightly.com/blog
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com