aid: middesk
name: Middesk
description: Middesk is a business identity and verification platform providing a REST API for KYB (Know Your Business) compliance, EIN/TIN validation, business registration verification, UBO research, sanctions screening, and ongoing business monitoring. Used by fintechs, lenders, and banks to automate onboarding and compliance workflows.
type: Index
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
url: https://raw.githubusercontent.com/api-evangelist/middesk/refs/heads/main/apis.yml
created: 2026-06-13
modified: 2026-06-13
specificationVersion: "0.19"
tags:
  - Business Verification
  - KYB
  - Know Your Business
  - Identity Verification
  - Compliance
  - EIN Validation
  - TIN Verification
  - Sanctions Screening
  - Business Monitoring
  - Fintech
  - RegTech
apis:
  - name: Middesk Business Verification API
    description: REST API for verifying business identities, including Secretary of State registrations, EIN/TIN validation, UBO and officer research, sanctions and adverse media screening, and real-time business monitoring. Supports both sandbox and production environments.
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://docs.middesk.com/reference/introduction
    baseURL: https://api.middesk.com/v1/
    tags:
      - Business Verification
      - KYB
      - Identity Verification
      - Compliance
    properties:
      - type: Documentation
        url: https://docs.middesk.com/docs
      - type: OpenAPI
        url: https://docs.middesk.com/openapi.json
      - type: PostmanCollection
        url: https://github.com/middesk/middesk-postman
      - type: Sandbox
        url: https://api-sandbox.middesk.com/v1/
    contact:
      - FN: Middesk Support
        url: https://docs.middesk.com
        email: support@middesk.com
common:
  - type: Website
    url: https://www.middesk.com
  - type: Documentation
    url: https://docs.middesk.com
  - type: GitHubOrg
    url: https://github.com/middesk
  - type: LinkedIn
    url: https://www.linkedin.com/company/middesk
  - type: Blog
    url: https://www.middesk.com/blog
  - type: Pricing
    url: https://www.middesk.com/pricing/business-onboarding
  - type: StatusPage
    url: https://status.middesk.com
  - type: X
    url: https://x.com/middeskhq
  - type: Plans
    url: plans/middesk-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/middesk-rate-limits.yml
  - type: FinOps
    url: finops/middesk-finops.yml
maintainers:
  - FN: Kin Lane
    email: kin@apievangelist.com