API registry / HubSpot
HubSpot
HubSpot publishes one OpenAPI per API product (125 in the index at https://api.hubspot.com/public/api/spec/v1/specs; also github.com/HubSpot/HubSpot-public-api-spec-collection). Only the core CRM specs used by the crm/lead connector were fetched and counted; the rest are reachable from the index.
HubSpot CRM Contacts
Verified- Format
- OpenAPI 3.0 · 3.0.1
- Source
- Vendor
- URL
- https://api.hubspot.com/public/api/spec/v2/specs/release/75232/version/2026-03
- Server
- https://api.hubapi.com
- Operations
- 16
- API version
- 2026-03
- Last changed
- 31 Oct 2026
- sha256
- 0bfc51ecbf87c0d9… · 117 KB
From HubSpot's public spec index https://api.hubspot.com/public/api/spec/v1/specs (125 APIs, each with versions 3 / 2025-09 / 2026-03 / 2026-09 and an openApi URL). Release ids differ per version; resolve via the index.
HubSpot CRM Companies
Verified- Format
- OpenAPI 3.0 · 3.0.1
- Source
- Vendor
- URL
- https://api.hubspot.com/public/api/spec/v2/specs/release/75244/version/2026-03
- Server
- https://api.hubapi.com
- Operations
- 15
- API version
- 2026-03
- Last changed
- 31 Oct 2026
- sha256
- a950ce04d70c4b5c… · 115 KB
See index https://api.hubspot.com/public/api/spec/v1/specs
HubSpot CRM Deals
Verified- Format
- OpenAPI 3.0 · 3.0.1
- Source
- Vendor
- URL
- https://api.hubspot.com/public/api/spec/v2/specs/release/75246/version/2026-03
- Server
- https://api.hubapi.com
- Operations
- 15
- API version
- 2026-03
- Last changed
- 31 Oct 2026
- sha256
- ad24485bf240618e… · 113 KB
See index https://api.hubspot.com/public/api/spec/v1/specs
HubSpot CRM Leads
Verified- Format
- OpenAPI 3.0 · 3.0.1
- Source
- Vendor
- URL
- https://api.hubspot.com/public/api/spec/v2/specs/release/75224/version/2026-03
- Server
- https://api.hubapi.com
- Operations
- 14
- API version
- 2026-03
- Last changed
- 31 Oct 2026
- sha256
- a76bbd98ab2145c2… · 113 KB
See index https://api.hubspot.com/public/api/spec/v1/specs
HubSpot CRM Associations
Verified- Format
- OpenAPI 3.0 · 3.0.1
- Source
- Vendor
- URL
- https://api.hubspot.com/public/api/spec/v2/specs/release/75258/version/2026-03
- Server
- https://api.hubapi.com
- Operations
- 11
- API version
- 2026-03
- Last changed
- 31 Oct 2026
- sha256
- 810d1a3d5731e025… · 147 KB
See index https://api.hubspot.com/public/api/spec/v1/specs