# Act — CRM API: overview

> Canonical URL: https://developers.apideck.com/apis/crm/act/overview

Act! provides everything you need to market like a pro, turn leads into sales, and win raving fans for life. Get on the path to growth.
- Status: live
- Authentication: oauth2

- **difficulty:** moderate
- **apideck credentials available:** false
- **partnership note:** Joining (by emailing act.developers@act.com) gives complimentary licences, SDK support and a marketplace listing after approval.
- **sandbox url:** https://www.act.com/trial/act/
- **difficulty reason:** Custom Auth: Consumer Enters Their Own Act! Login
- **costs:** Needs an Act! subscription licence for the consumer's database; no separate API charge is published.
- **sandbox note:** Free Act! trial with no credit card; confirm the trial database exposes the Web API before building on it.
- **important to know:** Act! Premium Desktop cannot connect: its API host is internal-only, so Desktop consumers must first move to Act! Premium Cloud or self-hosted Act! Premium for Web (IIS, a CA-signed certificate, external access). Act! Connect Link, the old Desktop bridge, retired 31 December 2024.
- **environment notes:**   - **environment:** Single environment
  - **description:** Testing and production work the same way: each connection targets the consumer's own Act! instance (the generic cloud host https://apius.act.com or a customer-specific Premium Cloud host) and named database. There is no shared test host.
- **partnership required:** false
- **apideck credentials note:** Each consumer connects with their own Act! login.
- **rate limits:** Per-minute limit on Act! Premium Cloud, reported in the X-RateLimit-Limit header; Act! publishes no number.
- **partnership url:** https://www.act.com/development-partner-program/
- **beta:** false
- **authentication note:** Password grant; no redirect or consent screen.
- **webhooks:** No webhooks - data changes are only visible by polling the unified API.
- **responsibility matrix:**   - **customer:** ✓
  - **area:** Enable the Act! connector in the Apideck Dashboard
  - **consumer:** ✓
  - **area:** Enter Act! login details in Vault
  - **area:** Store credentials and manage the connection
  - **apideck:** ✓
- **sandbox available:** false
- **partnership portal name:** Act! Development Partner Program
- **consumer access level:** An Act! user with API access permission.
- **supported resource categories:**   - **resources:** contacts
companies
  - **name:** Contacts and Companies
  - **resources:** opportunities
  - **name:** Sales
  - **name:** Activity and Users
  - **resources:** activities
users
- **external guides:**   - **url:** https://apimta.act.com/act.web.api/
  - **source:** Act!
  - **title:** Act! Web API documentation
  - **source:** Act!
  - **url:** https://help.act.com/s/article/What-is-the-Act-Web-API-prem
  - **title:** What is the Act! Web API
- **account type required:** Act! Premium Cloud, or self-hosted Act! Premium for Web with the Web API installed.

## Supported resources

- **downstream name:** Companies
- **id:** companies
- **downstream id:** companies
- **custom field support:** true
- **name:** Companies
- **status:** live
- **custom field support:** true
- **id:** opportunities
- **name:** Opportunities
- **downstream name:** Opportunities
- **downstream id:** opportunities
- **status:** live
- **custom field support:** true
- **name:** Contacts
- **downstream name:** Contacts
- **downstream id:** contacts
- **status:** live
- **id:** contacts
- **downstream name:** Users
- **id:** users
- **name:** Users
- **status:** live
- **custom field support:** false
- **downstream id:** users
- **id:** activities
- **name:** Activities
- **downstream id:** history
- **downstream name:** History
- **status:** live
- **custom field support:** false

An omitted operation list does not establish operation support. Verify the selected operation in the coverage matrix.

[API reference](https://developers.apideck.com/apis/crm/reference.md) · [Coverage matrix](https://developers.apideck.com/apis/crm/coverage)