# HubSpot API: access, auth, sandbox and MCP (checked Oct 2026)

> HubSpot's developer docs are public and a developer account is the entry point. Apps authenticate with OAuth or a static access token, rate limits depend on app type and subscription tier, and HubSpot runs a remote MCP server for CRM data.

- Vendor: HubSpot, Inc. (HubSpot, Inc.)
- Website: https://www.hubspot.com/
- Category: Advisor CRM (core)
- API access: Open: self-serve docs and keys
- Last checked: 2026-10-17
- Id: `hubspot` · JSON: https://wealthtech.dev/products/hubspot.json

## Developer surface

| Field | Value | Source and quote | Checked |
|---|---|---|---|
| API access | Open: self-serve docs and keys | Checked on the source's own page. [developers.hubspot.com](https://developers.hubspot.com/) "Create developer account" | 2026-10-17 |
| Developer docs | https://developers.hubspot.com/docs | Checked on the source's own page. [developers.hubspot.com](https://developers.hubspot.com/) "to learn more about our APIs, Apps, Developer Tooling, and CMS" | 2026-10-17 |
| API style | Not found | Not found. The pages captured do not name an API style. The pages captured do not name an API style. | 2026-10-17 |
| Authentication | OAuth 2.0 (authorization code), API key | Checked on the source's own page. [developers.hubspot.com](https://developers.hubspot.com/docs/apps/developer-platform/build-apps/authentication/overview) "OAuth is required for multiple accounts, while static auth access tokens are used for installing in a single account at a time." | 2026-10-17 |
| How to get access | Create a HubSpot developer account at developers.hubspot.com, then build an app that uses OAuth or a static access token. | Checked on the source's own page. [developers.hubspot.com](https://developers.hubspot.com/) "Create developer account" | 2026-10-17 |
| Sandbox | Yes, self-serve | Checked on the source's own page. [developers.hubspot.com](https://developers.hubspot.com/docs/developer-tooling/local-development/configurable-test-accounts) "On the Developer test accounts page, click Create developer test account." | 2026-10-17 |
| Rate limits | Marketplace OAuth apps: 110 requests every 10 seconds per installing account (excluding CRM Search API). Privately distributed apps: 100 per app per 10 seconds and 250,000 per day per account on Free/Starter; 190 per app and 625,000 per day on Professional; 190 per app and 1,000,000 per day on Enterprise. | Checked on the source's own page. [developers.hubspot.com](https://developers.hubspot.com/docs/developer-tooling/platform/usage-guidelines) "each HubSpot account that installs your app is limited to 110 requests every 10 seconds" | 2026-10-17 |
| Webhooks | Yes | Checked on the source's own page. [developers.hubspot.com](https://developers.hubspot.com/docs/llms.txt) "webhooks-webhooks-v3" | 2026-10-17 |
| SDKs | node, php, python, ruby | Checked on the source's own page. [developers.hubspot.com](https://developers.hubspot.com/docs/developer-tooling/local-development/hubspot-cli/install-the-cli) "SDKs Node Php Python Ruby" | 2026-10-17 |
| OpenAPI spec | Published | Checked on the source's own page. [developers.hubspot.com](https://developers.hubspot.com/docs/llms.txt) "OpenAPI Specs" | 2026-10-17 |
| Partner program | [object Object] | Checked on the source's own page. [developers.hubspot.com](https://developers.hubspot.com/) "Become a Partner" | 2026-10-17 |
| Public integration list | Not found | Not found. The HubSpot Marketplace is linked in the developer nav but its listing page was not captured. The HubSpot Marketplace is linked in the developer nav but its listing page was not captured. | 2026-10-17 |
| Ways to connect | Native API, MCP | Checked on the source's own page. [developers.hubspot.com](https://developers.hubspot.com/ai-tools/mcp) "The HubSpot MCP server enables you to give any MCP-compatible AI tool or agent secure read and write access to your HubSpot CRM data" | 2026-10-17 |

## MCP servers and AI connectors

None recorded on public pages we checked.

## What the docs don't say

- The captured docs pages do not state the API style in words.
- HubSpot is a general CRM; the developer docs contain nothing specific to wealth management.

## Changes

No changes recorded since this record was first published.
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Source: https://wealthtech.dev/products/hubspot · Facts licensed CC BY 4.0 (attribution "wealthtech.dev"). Every fact states where it was checked and when; check the source before relying on it.