checkmails · Authentication Profile

checkmails Authentication

Authentication

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

CompanyEmail VerificationSMTPGDPRData QualityEuropean UnionMCPOdoo
Methods: http Schemes: 1 OAuth flows: API key in:

Security Schemes

BearerAuth http
scheme: bearer

Source

Authentication Profile

Raw ↑ 
generated: '2026-11-03'
method: searched
source: https://checkmails.eu/docs
docs: https://checkmails.eu/docs
summary:
  types:
  - http
schemes:
- name: BearerAuth
  type: http
  scheme: bearer
  bearerFormat: chk_<32hex>
  header: 'Authorization: Bearer chk_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
  description: Keys start with chk_ followed by 32 hexadecimal characters. Generated from the dashboard (Profile tab → API Keys section); shown only once at creation time. REST API access requires a paid plan.
  applies_to:
  - REST API (https://checkmails.eu/api/v1/*)
  - MCP server (https://checkmails.eu/api/mcp), same Authorization Bearer chk_<key> header
  sources:
  - openapi/checkmails-eu-openapi.yml
  - https://checkmails.eu/docs
key_errors:
- {status: 401, code: missing_bearer, meaning: Missing Authorization header}
- {status: 401, code: invalid_key_format, meaning: Key does not start with chk_ or is too short}
- {status: 401, code: invalid_key, meaning: Key not found}
- {status: 401, code: revoked_key, meaning: Key has been revoked}

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