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Nutshell

Nutshell is a CRM and email marketing platform for small to mid-sized B2B sales teams, providing pipeline management, contact and company records, reporting, automation, and built-in email campaigns. The product unifies sales pipelines, activity tracking, and outbound communications in one workspace with mobile and desktop clients. Nutshell exposes a REST API for contacts, leads, accounts, activities, and pipelines, plus a legacy JSON-RPC API, both authenticated with an API key.

2 APIs 0 Features
CRMSalesPipeline ManagementEmail MarketingContact ManagementSales Automation

APIs

Nutshell REST API

Resource-based REST API for managing contacts, leads, accounts, activities, pipelines, and tasks in Nutshell CRM. Authentication uses an API key generated from the Nutshell acco...

Nutshell Legacy JSON-RPC API

Legacy JSON-RPC API for accessing Nutshell CRM data, retained for backward compatibility with existing integrations.

Resources

🔗
Website
Website
🔗
Documentation
Documentation
💰
Pricing
Pricing
📝
Sign Up
Sign Up
💬
Support
Support
👥
GitHub Organization
GitHub Organization

Sources

apis.yml Raw ↑
aid: nutshell
name: Nutshell
description: >-
  Nutshell is a CRM and email marketing platform for small to mid-sized B2B
  sales teams, providing pipeline management, contact and company records,
  reporting, automation, and built-in email campaigns. The product unifies
  sales pipelines, activity tracking, and outbound communications in one
  workspace with mobile and desktop clients. Nutshell exposes a REST API
  for contacts, leads, accounts, activities, and pipelines, plus a legacy
  JSON-RPC API, both authenticated with an API key.
type: Index
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
  - CRM
  - Sales
  - Pipeline Management
  - Email Marketing
  - Contact Management
  - Sales Automation
url: >-
  https://raw.githubusercontent.com/api-evangelist/nutshell/refs/heads/main/apis.yml
created: '2026-05-11'
modified: '2026-05-11'
specificationVersion: '0.19'
apis:
  - aid: nutshell:rest-api
    name: Nutshell REST API
    description: >-
      Resource-based REST API for managing contacts, leads, accounts,
      activities, pipelines, and tasks in Nutshell CRM. Authentication uses
      an API key generated from the Nutshell account settings.
    humanURL: https://developers.nutshell.com/docs
    baseURL: https://app.nutshell.com/api/v1
    tags:
      - CRM
      - Contacts
      - Leads
      - Accounts
      - Pipelines
    properties:
      - type: Documentation
        url: https://developers.nutshell.com/docs
      - type: Developer Portal
        url: https://developers.nutshell.com
      - type: API Keys
        url: https://support.nutshell.com/en/articles/8429060-api-keys-create-api-keys-for-3rd-party-apps
  - aid: nutshell:json-rpc
    name: Nutshell Legacy JSON-RPC API
    description: >-
      Legacy JSON-RPC API for accessing Nutshell CRM data, retained for
      backward compatibility with existing integrations.
    humanURL: https://developers-rpc.nutshell.com
    baseURL: https://app.nutshell.com/api/v1/json
    tags:
      - JSON-RPC
      - CRM
      - Legacy
    properties:
      - type: Documentation
        url: https://developers-rpc.nutshell.com
      - type: GitHub SDK
        url: https://github.com/nutshellcrm/nutshell-api-php
common:
  - type: Website
    url: https://www.nutshell.com
  - type: Documentation
    url: https://developers.nutshell.com
  - type: Pricing
    url: https://www.nutshell.com/pricing
  - type: Sign Up
    url: https://www.nutshell.com/start-your-free-trial
  - type: Support
    url: https://support.nutshell.com
  - type: GitHub Organization
    url: https://github.com/nutshellcrm
maintainers:
  - FN: Kin Lane
    email: [email protected]