# Nutshell Legacy JSON-RPC API

**Canonical:** https://apis.io/apis/nutshell/json-rpc/  
**Provider:** Nutshell — https://apis.io/providers/nutshell/  
**Base URL:** https://app.nutshell.com/api/v1/json  
**Documentation:** https://developers-rpc.nutshell.com

Nutshell Legacy JSON-RPC API is one of 27 APIs that [Nutshell](https://apis.io/providers/nutshell/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include JSON-RPC, CRM, and Legacy. The published artifact set on APIs.io includes API documentation and a getting-started guide.

Nutshell's original JSON-RPC API, available since 2010. Nutshell states it is no longer adding new endpoints to this API but continues to support existing customers, making it a maintenance-only surface. Same HTTP Basic authentication as the REST API.

## Machine-readable artifacts (3)

- **Documentation** — https://developers-rpc.nutshell.com
- **GettingStarted** — https://developers.nutshell.com/docs/get-started-with-the-json-rpc-api
- **GitHub SDK** — https://github.com/nutshellcrm/nutshell-api-php

## Other Nutshell APIs (12)

- [Nutshell REST API](https://apis.io/apis/nutshell/rest-api/)
- [Nutshell GraphQL API](https://apis.io/apis/nutshell/graphql/)
- [Nutshell Accounts (Companies) API](https://apis.io/apis/nutshell/nutshell-accounts-api/)
- [Nutshell Activities API](https://apis.io/apis/nutshell/nutshell-activities-api/)
- [Nutshell Audiences API](https://apis.io/apis/nutshell/nutshell-audiences-api/)
- [Nutshell Competitors API](https://apis.io/apis/nutshell/nutshell-competitors-api/)
- [Nutshell Contacts (People) API](https://apis.io/apis/nutshell/nutshell-contacts-api/)
- [Nutshell Editions API](https://apis.io/apis/nutshell/nutshell-editions-api/)
- [Nutshell Emails API](https://apis.io/apis/nutshell/nutshell-emails-api/)
- [Nutshell Events (Timeline) API](https://apis.io/apis/nutshell/nutshell-events-api/)
- [Nutshell Filters API](https://apis.io/apis/nutshell/nutshell-filters-api/)
- [Nutshell Forms API](https://apis.io/apis/nutshell/nutshell-forms-api/)

## Tags

JSON-RPC, CRM, Legacy

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