aid: blackline
name: BlackLine
description: >-
  BlackLine is a cloud-based financial operations (FinOps) and accounting
  automation platform that helps finance and accounting teams automate the
  financial close, account reconciliation, journal entry, transaction matching,
  intercompany, consolidation integrity, and reporting processes. BlackLine
  exposes a suite of RESTful APIs on its developer portal so customers and
  partners can integrate the platform with ERP systems, banking platforms,
  payroll, and reporting tools — covering period management, user and team
  management, account reconciliation, journals, task management, transaction
  matching, and reporting. APIs authenticate with OAuth 2.0 client credentials.
  BlackLine (NASDAQ: BL) is a public company surfaced in the API Evangelist
  network as a portfolio company of ICONIQ Capital.
url: https://raw.githubusercontent.com/api-evangelist/blackline/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- iconiq-capital
x-tier: profiled
x-tier-reason: portfolio-lead-enriched
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
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
image: https://a.storyblok.com/f/213807/1200x630/d2bcfbe58d/blackline-future-ready-financial-operations.jpg
tags:
- Company
- Fintech
- FinOps
- Accounting
- Financial Close
- Reconciliation
- Accounting Automation
- ERP Integration
- Enterprise Software
apis:
- name: BlackLine Period API
  description: Manage accounting periods (open/close, list periods) in BlackLine.
  humanURL: https://developer.blackline.com/docs/period/1/overview
  baseURL: https://api.blackline.com
  properties:
  - type: Documentation
    url: https://developer.blackline.com/docs/period/1/overview
- name: BlackLine User Management API
  description: Create, read, and manage BlackLine user accounts.
  humanURL: https://developer.blackline.com/docs/users/1/overview
  baseURL: https://api.blackline.com
  properties:
  - type: Documentation
    url: https://developer.blackline.com/docs/users/1/overview
- name: BlackLine Team Management API
  description: Manage BlackLine teams and team membership.
  humanURL: https://developer.blackline.com/docs/teams/1/overview
  baseURL: https://api.blackline.com
  properties:
  - type: Documentation
    url: https://developer.blackline.com/docs/teams/1/overview
- name: BlackLine Reporting API
  description: Retrieve reporting data from the BlackLine platform.
  humanURL: https://developer.blackline.com/docs/reporting-api/1/overview
  baseURL: https://api.blackline.com
  properties:
  - type: Documentation
    url: https://developer.blackline.com/docs/reporting-api/1/overview
- name: BlackLine Account Reconciliation API
  description: Manage reconciliation items and supporting documents programmatically.
  humanURL: https://developer.blackline.com/apis
  baseURL: https://api.blackline.com
- name: BlackLine Journal Entry API
  description: Create and manage journal entries programmatically.
  humanURL: https://developer.blackline.com/apis
  baseURL: https://api.blackline.com
- name: BlackLine Transaction Matching API
  description: Push transactions into BlackLine for automated matching.
  humanURL: https://developer.blackline.com/apis
  baseURL: https://api.blackline.com
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.blackline.com/
- type: DeveloperPortal
  url: https://developer.blackline.com/
- type: Documentation
  url: https://developer.blackline.com/apis
- type: APIReference
  url: https://developer.blackline.com/apis
- type: Authentication
  url: authentication/blackline-authentication.yml
- type: StatusPage
  url: https://trust.blackline.com/
- type: Lifecycle
  url: lifecycle/blackline-lifecycle.yml
- type: Conformance
  url: conformance/blackline-conformance.yml
- type: Compliance
  url: https://www.blackline.com/why-blackline/security/
- type: TrustCenter
  url: security/blackline-trust-center.yml
- type: DomainSecurity
  url: security/blackline-domain-security.yml
- type: Blog
  url: https://www.blackline.com/blog/
- type: PrivacyPolicy
  url: https://www.blackline.com/legal/privacy-policy/
- type: TermsOfService
  url: https://www.blackline.com/legal/
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence