Vessel · Authentication Profile

Vessel Authentication

Authentication

Vessel secures its APIs with apiKey across 4 declared security schemes, as derived from its OpenAPI definitions.

CRMEmbedded IntegrationsGTMIntegrationsiPaaSSales EngagementUnified API
Methods: apiKey Schemes: 4 OAuth flows: API key in: header

Security Schemes

apiToken apiKey
· in: header (vessel-api-token)
apiToken apiKey
· in: header (x-vessel-api-token)
accessToken apiKey
· in: header (x-vessel-access-token)
sessionToken apiKey
· in: header (x-vessel-session-token)

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/vessel-crm-openapi.yml, openapi/vessel-platform-openapi.yml
summary:
  types:
  - apiKey
  api_key_in:
  - header
schemes:
- name: apiToken
  type: apiKey
  in: header
  parameter: vessel-api-token
  description: Your Vessel API token for server-side authentication
  sources:
  - openapi/vessel-crm-openapi.yml
- name: apiToken
  type: apiKey
  in: header
  parameter: x-vessel-api-token
  description: Your Vessel API token for server-side authentication
  sources:
  - openapi/vessel-platform-openapi.yml
- name: accessToken
  type: apiKey
  in: header
  parameter: x-vessel-access-token
  description: User connection access token for user-scoped API calls
  sources:
  - openapi/vessel-platform-openapi.yml
- name: sessionToken
  type: apiKey
  in: header
  parameter: x-vessel-session-token
  description: Temporary session token from the auth flow
  sources:
  - openapi/vessel-platform-openapi.yml