SendGrid · Authentication Profile

Sendgrid Authentication

Authentication

SendGrid secures its APIs with http across 1 declared security scheme, as derived from its OpenAPI definitions.

EmailEmail APIMarketing EmailSMTPT1Transactional EmailEmail MarketingDeliverabilityMarketing
Methods: http Schemes: 1 OAuth flows: API key in:

Security Schemes

BearerAuth http
scheme: bearer

Source

Authentication Profile

Raw ↑ 
generated: '2026-08-13'
method: derived
source: openapi/sendgrid-account-api-openapi.yml, openapi/sendgrid-account-state-api-openapi.yml,
  openapi/sendgrid-alerts-api-openapi.yml, openapi/sendgrid-api-keys-api-openapi.yml, openapi/sendgrid-blocks-api-openapi.yml,
  openapi/sendgrid-bounces-api-openapi.yml, openapi/sendgrid-bulk-email-address-validation-api-openapi.yml,
  openapi/sendgrid-campaigns-api-api-openapi.yml, openapi/sendgrid-categories-api-openapi.yml,
  openapi/sendgrid-contacts-api-openapi.yml, openapi/sendgrid-custom-fields-api-openapi.yml,
  openapi/sendgrid-designs-api-openapi.yml ...
summary:
  types:
  - http
schemes:
- name: BearerAuth
  type: http
  scheme: bearer
  description: Twilio SendGrid requires you to authenticate with its APIs using an API key.
    The API key must be sent as a bearer token in the Authorization header.
  sources:
  - openapi/sendgrid-account-api-openapi.yml
  - openapi/sendgrid-account-state-api-openapi.yml
  - openapi/sendgrid-alerts-api-openapi.yml
  - openapi/sendgrid-api-keys-api-openapi.yml
  - openapi/sendgrid-blocks-api-openapi.yml
  - openapi/sendgrid-bounces-api-openapi.yml
  - openapi/sendgrid-bulk-email-address-validation-api-openapi.yml
  - openapi/sendgrid-campaigns-api-api-openapi.yml
  - openapi/sendgrid-categories-api-openapi.yml
  - openapi/sendgrid-contacts-api-openapi.yml
  - openapi/sendgrid-custom-fields-api-openapi.yml
  - openapi/sendgrid-designs-api-openapi.yml
  - openapi/sendgrid-domain-authentication-api-openapi.yml
  - openapi/sendgrid-email-activity-api-openapi.yml
  - openapi/sendgrid-email-address-validation-api-openapi.yml
  - openapi/sendgrid-enforced-tls-api-openapi.yml
  - openapi/sendgrid-engagement-quality-api-openapi.yml
  - openapi/sendgrid-event-webhook-api-openapi.yml
  - openapi/sendgrid-external-integration-endpoints-api-openapi.yml
  - openapi/sendgrid-global-suppressions-api-openapi.yml
  - openapi/sendgrid-invalid-emails-api-openapi.yml
  - openapi/sendgrid-ip-access-management-api-openapi.yml
  - openapi/sendgrid-ip-address-management-api-openapi.yml
  - openapi/sendgrid-ip-addresses-api-openapi.yml
  - openapi/sendgrid-ip-pools-api-openapi.yml
  - openapi/sendgrid-ip-warmup-api-openapi.yml
  - openapi/sendgrid-link-branding-api-openapi.yml
  - openapi/sendgrid-lists-api-openapi.yml
  - openapi/sendgrid-mail-batch-api-openapi.yml
  - openapi/sendgrid-mail-send-api-openapi.yml
  - openapi/sendgrid-mail-settings-api-openapi.yml
  - openapi/sendgrid-offering-api-openapi.yml
  - openapi/sendgrid-parse-webhook-api-openapi.yml
  - openapi/sendgrid-partner-settings-api-openapi.yml
  - openapi/sendgrid-point-delete-system-api-openapi.yml
  - openapi/sendgrid-recipients-api-openapi.yml
  - openapi/sendgrid-reverse-dns-api-openapi.yml
  - openapi/sendgrid-scheduled-sends-api-openapi.yml
  - openapi/sendgrid-scopes-api-openapi.yml
  - openapi/sendgrid-segmenting-contacts-api-openapi.yml
  - openapi/sendgrid-segmenting-contacts-v2-api-openapi.yml
  - openapi/sendgrid-segments-api-openapi.yml
  - openapi/sendgrid-send-test-email-api-openapi.yml
  - openapi/sendgrid-sender-identities-api-openapi.yml
  - openapi/sendgrid-sender-verification-api-openapi.yml
  - openapi/sendgrid-senders-api-openapi.yml
  - openapi/sendgrid-single-sends-api-openapi.yml
  - openapi/sendgrid-spam-reports-api-openapi.yml
  - openapi/sendgrid-sso-certificates-api-openapi.yml
  - openapi/sendgrid-sso-settings-api-openapi.yml
  - openapi/sendgrid-sso-teammates-api-openapi.yml
  - openapi/sendgrid-stats-api-openapi.yml
  - openapi/sendgrid-subuser-statistics-api-openapi.yml
  - openapi/sendgrid-subuser-website-access-api-openapi.yml
  - openapi/sendgrid-subusers-api-openapi.yml
  - openapi/sendgrid-suppressions-api-openapi.yml
  - openapi/sendgrid-teammates-api-openapi.yml
  - openapi/sendgrid-templates-api-openapi.yml
  - openapi/sendgrid-templates-versions-api-openapi.yml
  - openapi/sendgrid-tracking-api-openapi.yml
  - openapi/sendgrid-unsubscribe-groups-api-openapi.yml
  - openapi/sendgrid-users-api-api-openapi.yml
  - openapi/sendgrid-webhook-security-api-openapi.yml