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

30.7/100 thin ▬ flat Agent 17/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessSelf serve

8 APIs

CRM Project Management Lead Management Opportunities Contacts SMB

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 30.7/100 · thin

Contract Quality 13.4 / 25

Developer Ergonomics 4.8 / 20

Access Clarity 4.7 / 20

Operational Transparency 0.3 / 13

Contract Governance 0.0 / 12

Discoverability 7.4 / 10

Agent readiness — 17/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Surface 0 / 5

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.

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

Website

Website

Blog

Blog

Source (apis.yml)

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: '0.23'
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
  - Project
  tags_raw:
  - 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:
  - Product
  tags_raw:
  - 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:
  - Project
  tags_raw:
  - 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

Work with this as data

Every provider here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for providers

9 MCP tools reach this

find_providersBrowse and filter every provider in the catalog.
get_provider_artifactsEvery artifact this provider publishes, grouped by type.
get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
get_provider_ratingPRO — composite, band, trend and facet scores.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools

Call it yourself

curl for this page

This provider

curl "https://apis.io/api/v1/providers/insightly"

All providers

curl "https://apis.io/api/v1/providers?limit=25"

Every operation they expose

curl "https://apis.io/api/v1/providers/insightly/operations?limit=25"

How their score was established

curl "https://apis.io/api/v1/providers/insightly/evidence"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.