InboxGuard · Authentication Profile

InboxGuard Authentication

Authentication

InboxGuard secures its APIs with http and oauth2 across 2 declared security schemes, as derived from its OpenAPI definitions. OAuth 2.0 is offered via the clientCredentials flow(s).

Email DeliverabilityDMARCDNS MonitoringAuthenticationSecurity

Methods: http, oauth2 Schemes: 2 OAuth flows: clientCredentials API key in:

Security Schemes

ApiKeyBearer http

scheme: bearer

OAuth2 oauth2

· flows: clientCredentials

Source

Authentication Profile

generated: '2026-11-12'
method: derived
source: openapi/inboxguard-io-openapi.json
summary:
  types:
  - http
  - oauth2
  oauth2_flows:
  - clientCredentials
schemes:
- name: ApiKeyBearer
  type: http
  scheme: bearer
  bearerFormat: InboxGuard API key (ig_live_… / ig_test_…)
  description: 'PRIMARY auth: send an InboxGuard API key as a bearer token (`Authorization:
    Bearer ig_live_…`). Scopes: `read` (GET) and `full` (all methods). Mint a key at https://inboxguard.io/settings
    or per https://inboxguard.io/auth.md.'
  sources:
  - openapi/inboxguard-io-openapi.json
- name: OAuth2
  type: oauth2
  flows:
  - flow: clientCredentials
    tokenUrl: https://api.inboxguard.io/oauth/token
    scopes: 2
  description: 'OAuth-shaped wrapper around the same API key. The ONLY grant is client_credentials
    at POST https://api.inboxguard.io/oauth/token, where the client_secret IS an InboxGuard
    API key (HTTP Basic or body); the returned access_token is that same key. There is NO authorization_code
    flow, NO PKCE, and NO /oauth/authorize endpoint. Discovery: /.well-known/oauth-authorization-server
    and /.well-known/oauth-p'
  sources:
  - openapi/inboxguard-io-openapi.json

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