# Act! CRM Secondary Contacts API

**Canonical:** https://apis.io/apis/act/act-secondarycontacts-api/  
**Provider:** Act! CRM — https://apis.io/providers/act/  
**Base URL:** https://apimta.act.com/act.web.api  
**Documentation:** https://www.act.com/developer/

Act! CRM Secondary Contacts API is one of 11 APIs that [Act! CRM](https://apis.io/providers/act/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include SecondaryContacts. The published artifact set on APIs.io includes an OpenAPI specification.

The SecondaryContacts API from Act! CRM — 3 operation(s) for secondarycontacts.

## Operations (7)

| Method | Path | Summary |
|---|---|---|
| GET | `/api/contacts/{contactId}/secondary-contacts/{id}` | Get a specific secondary contact. |
| PUT | `/api/contacts/{contactId}/secondary-contacts/{id}` | Update an already existing secondary contact. |
| DELETE | `/api/contacts/{contactId}/secondary-contacts/{id}` | Delete an existing secondary contact. |
| PATCH | `/api/contacts/{contactId}/secondary-contacts/{id}` | Update (partially) an already existing secondary contact. |
| GET | `/api/contacts/{contactId}/secondary-contacts` | Get all secondary contacts matching an (optional) OData query. |
| POST | `/api/contacts/{contactId}/secondary-contacts` | Create a new secondary contact. |
| PUT | `/api/contacts/{contactId}/secondary-contacts/{id}/promote` | Promote secondary contact to primary |

## Machine-readable artifacts (1)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/act/refs/heads/main/openapi/act-secondarycontacts-api-openapi.yml

## Other Act! CRM APIs (10)

- [Act! Web API](https://apis.io/apis/act/web-api/)
- [Act! CRM Activity Series API](https://apis.io/apis/act/act-activityseries-api/)
- [Act! CRM Custom Entities API](https://apis.io/apis/act/act-customentities-api/)
- [Act! CRM Document Types API](https://apis.io/apis/act/act-documenttypes-api/)
- [Act! CRM History Types API](https://apis.io/apis/act/act-historytypes-api/)
- [Act! CRM Marketing Automations API](https://apis.io/apis/act/act-marketingautomations-api/)
- [Act! CRM Metadata Info API](https://apis.io/apis/act/act-metadatainfo-api/)
- [Act! CRM Supplemental Files API](https://apis.io/apis/act/act-supplementalfiles-api/)
- [Act! CRM Sync Data API](https://apis.io/apis/act/act-syncdata-api/)
- [Act! CRM Task Types API](https://apis.io/apis/act/act-tasktypes-api/)

## Tags

SecondaryContacts

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