Apollo.io · Authentication Profile

Apollo Io Authentication

Authentication

Apollo.io secures its APIs with apiKey and http across 2 declared security schemes, as derived from its OpenAPI definitions.

Sales IntelligenceProspectingEngagementB2B DataEnrichmentCRMSales EngagementConversation IntelligenceMCPSoftware-as-a-Service
Methods: apiKey, http Schemes: 2 OAuth flows: API key in: header

Security Schemes

apiKey apiKey
· in: header (x-api-key)
bearerAuth http
scheme: bearer

Source

Authentication Profile

Raw ↑ 
generated: '2026-08-13'
method: derived
source: openapi/apollo-io-accounts-api-openapi.yml, openapi/apollo-io-analytics-api-openapi.yml,
  openapi/apollo-io-calls-api-openapi.yml, openapi/apollo-io-contacts-api-openapi.yml, openapi/apollo-io-conversations-api-openapi.yml,
  openapi/apollo-io-deals-api-openapi.yml, openapi/apollo-io-emailer-messages-api-openapi.yml,
  openapi/apollo-io-enrichment-api-openapi.yml, openapi/apollo-io-fields-api-openapi.yml, openapi/apollo-io-miscellaneous-api-openapi.yml,
  openapi/apollo-io-search-api-openapi.yml, openapi/apollo-io-sequences-api-openapi.yml ...
summary:
  types:
  - apiKey
  - http
  api_key_in:
  - header
schemes:
- name: apiKey
  type: apiKey
  in: header
  parameter: x-api-key
  description: |-
    [Recommended] API key, passed in the `x-api-key` request header.
    See [Create API Keys](https://docs.apollo.io/docs/create-api-key).
  sources:
  - openapi/apollo-io-accounts-api-openapi.yml
  - openapi/apollo-io-analytics-api-openapi.yml
  - openapi/apollo-io-calls-api-openapi.yml
  - openapi/apollo-io-contacts-api-openapi.yml
  - openapi/apollo-io-conversations-api-openapi.yml
  - openapi/apollo-io-deals-api-openapi.yml
  - openapi/apollo-io-emailer-messages-api-openapi.yml
  - openapi/apollo-io-enrichment-api-openapi.yml
  - openapi/apollo-io-fields-api-openapi.yml
  - openapi/apollo-io-miscellaneous-api-openapi.yml
  - openapi/apollo-io-search-api-openapi.yml
  - openapi/apollo-io-sequences-api-openapi.yml
  - openapi/apollo-io-tasks-api-openapi.yml
- name: bearerAuth
  type: http
  scheme: bearer
  bearerFormat: JWT
  description: |-
    OAuth 2.0 access token, used by Apollo partners building integrations.
    See the [OAuth 2.0 authorization flow](https://docs.apollo.io/docs/use-oauth-20-authorization-flow-to-access-apollo-user-information-partners).
  sources:
  - openapi/apollo-io-accounts-api-openapi.yml
  - openapi/apollo-io-analytics-api-openapi.yml
  - openapi/apollo-io-calls-api-openapi.yml
  - openapi/apollo-io-contacts-api-openapi.yml
  - openapi/apollo-io-conversations-api-openapi.yml
  - openapi/apollo-io-deals-api-openapi.yml
  - openapi/apollo-io-emailer-messages-api-openapi.yml
  - openapi/apollo-io-enrichment-api-openapi.yml
  - openapi/apollo-io-fields-api-openapi.yml
  - openapi/apollo-io-miscellaneous-api-openapi.yml
  - openapi/apollo-io-search-api-openapi.yml
  - openapi/apollo-io-sequences-api-openapi.yml
  - openapi/apollo-io-tasks-api-openapi.yml