Kickbox

aid: kickbox
name: Kickbox
description: Kickbox is an email verification and list cleaning service that helps senders improve deliverability by detecting
  invalid, disposable, role-based, and risky email addresses before they enter mailing lists. The platform offers real-time
  single verification, bulk batch verification, and a deliverability monitoring suite. Kickbox provides a simple HTTPS REST
  API authenticated by API key returning structured verification results with reason codes.
type: Index
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/kickbox.png
tags:
- Email Verification
- Email Validation
- Deliverability
- Data Quality
- Email
url: https://raw.githubusercontent.com/api-evangelist/kickbox/refs/heads/main/apis.yml
created: '2026-05-11'
modified: '2026-05-11'
specificationVersion: '0.19'
apis:
- aid: kickbox:verification-api
  name: Kickbox Email Verification API
  description: REST API for verifying the deliverability of email addresses in real time. Returns a result (deliverable, undeliverable,
    risky, unknown), a reason code, plus flags for role addresses, disposable domains, and free email providers. Authentication
    uses an API key supplied as a query string parameter or in the Authorization header. Sandbox mode is available for testing
    without consuming credits.
  humanURL: https://docs.kickbox.com
  baseURL: https://api.kickbox.com/v2
  tags:
  - Email Verification
  - Deliverability
  - Validation
  properties:
  - type: Documentation
    url: https://docs.kickbox.com
  - type: APIReference
    url: https://docs.kickbox.com/reference/single-verification
  - type: PHP SDK
    url: https://github.com/kickboxio/kickbox-php
  - type: Python SDK
    url: https://github.com/kickboxio/kickbox-python
- aid: kickbox:kickbox-account-api
  name: Kickbox Account API
  description: Account balance and metadata.
  humanURL: https://docs.kickbox.com
  baseURL: https://api.kickbox.com/v2
  tags:
  - Account
  properties:
  - type: OpenAPI
    url: openapi/kickbox-account-api-openapi.yml
- aid: kickbox:kickbox-batch-api
  name: Kickbox Batch API
  description: Bulk CSV email verification.
  humanURL: https://docs.kickbox.com
  baseURL: https://api.kickbox.com/v2
  tags:
  - Batch
  properties:
  - type: OpenAPI
    url: openapi/kickbox-batch-api-openapi.yml
- aid: kickbox:kickbox-open-api
  name: Kickbox Open API
  description: Free disposable-domain lookup (no auth).
  humanURL: https://docs.kickbox.com
  baseURL: https://api.kickbox.com/v2
  tags:
  - Open
  properties:
  - type: OpenAPI
    url: openapi/kickbox-open-api-openapi.yml
- aid: kickbox:kickbox-verification-api
  name: Kickbox Verification API
  description: Real-time email verification.
  humanURL: https://docs.kickbox.com
  baseURL: https://api.kickbox.com/v2
  tags:
  - Verification
  properties:
  - type: OpenAPI
    url: openapi/kickbox-verification-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/kickbox-agentic-access.yml
- type: DomainSecurity
  url: security/kickbox-domain-security.yml
- type: Authentication
  url: authentication/kickbox-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/kickbox
- type: Website
  url: https://kickbox.com
- type: Documentation
  url: https://docs.kickbox.com
- type: Pricing
  url: https://kickbox.com/pricing
- type: Signup
  url: https://app.kickbox.com/signup
- type: GitHubOrganization
  url: https://github.com/kickboxio
- type: Support
  url: https://kickbox.com/support
- type: LlmsText
  url: https://docs.kickbox.com/llms.txt
- type: Blog
  url: https://blog.kickbox.com/rss/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com