ActiveCampaign

Five ReadMe API definitions, all publicly downloadable. Vendor also publishes a public Postman collection (workspace 2b11f4b7-df2e-4f81-af45-e9a132c04146, collection 19351179-8462b05f-7843-4141-9411-376c1432026d).

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ActiveCampaign API v3

Verified

Format: OpenAPI 3.1 · 3.1.0
Source: Vendor
URL: https://developers.activecampaign.com/openapi/v3.json
Server: https://{youraccountname}.api-us1.com/api/3
Operations: 1,483
API version: 3
Last changed: 31 Oct 2026
sha256: bd541be3d0a50a1b… · 5.0 MB

ReadMe public OAS download (openapiVisibility=public). 1134 paths / 1483 ops; 5.3 MB. Server is per account ({youraccountname}).

ActiveCampaign Partners API

Verified

Format: OpenAPI 3.0 · 3.0.3
Source: Vendor
URL: https://developers.activecampaign.com/openapi/partners.json
Server: https://agency-partner-hub-web.global-aws-use1-p.app-us1.com/
Operations: 36
API version: 1.0.0
Last changed: 31 Oct 2026
sha256: 846abb7d30bd59a4… · 80 KB

ReadMe OAS download.

ActiveCampaign SMS Broadcast API

Verified

Format: OpenAPI 3.0 · 3.0.3
Source: Vendor
URL: https://developers.activecampaign.com/openapi/sms.json
Server: https://{yourAccountName}.api-us1.com/api/3
Operations: 17
API version: 3.0.0
Last changed: 31 Oct 2026
sha256: 49f06f290f606ddf… · 21 KB

ReadMe OAS download. Per-account server.

ActiveCampaign API v2 (legacy)

Verified

Format: OpenAPI 3.1 · 3.1.0
Source: Vendor
URL: https://developers.activecampaign.com/openapi/v2.json
Server: https://{youraccountname}.api-us1.com/api/2
Operations: 1
API version: 3
Last changed: 31 Oct 2026
sha256: 5e6c9ca8fffe3de0… · 2 KB

Legacy v2 stub, 1 operation.

ActiveCampaign trackcmp (event tracking)

Verified

Format: OpenAPI 3.1 · 3.1.0
Source: Vendor
URL: https://developers.activecampaign.com/openapi/trackcmp.json
Server: https://trackcmp.net
Operations: 1
API version: 3
Last changed: 31 Oct 2026
sha256: dc9f70329d59a607… · 2 KB

Event tracking endpoint, 1 operation.