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Connectors / Finance · HTTP Connector
Automate BlackLine with Tray.ai
Create journals, add a journal comment and import account balances in BlackLine. Connect BlackLine to the rest of your finance stack with Tray.ai.
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What can you do with BlackLine on Tray.ai?
BlackLine is financial close software for accounting teams, covering account reconciliations, journal entries, transaction matching, close tasks, and variance analysis. Tray.ai connects to BlackLine through the HTTP Connector, so your workflows can call the BlackLine API alongside the rest of your stack.
- Connects through
- HTTP Connector
- Authentication
- OAuth 2.0
- Base URL
- https://us.api.blackline.com
What the BlackLine API covers
6 resources and 22 documented actions, each one a call the HTTP Connector can make from a Tray.ai workflow.
Journals
- List journals
- Get a journal
- Create journals
- Update journals
- Certify journals
- Reject a journal
Journal comments
- List journal comments
- Add a journal comment
- Update a journal comment
- Delete a journal comment
Account reconciliations
- Import account balances
- Import reconciliation items
- Import bank statement balances
- Get account settings
Tasks
- Load tasks
- Load task dependencies
Reports
- List report runs
- Get a completed report
- Start a report export
- Check export status
Variance
- Load variance rules
- Load variance assignments
Checked against BlackLine's own documentation on 2026-10-22
How Tray.ai makes this work
BlackLine plugs into the whole Tray.ai platform
Intelligent Integration
Integrate and automate across 700+ connectors with visual workflows, error handling, and observability.
Learn more →Agent Builder
Build AI agents that read, write, and take action in BlackLine — with guardrails, audit, and human-in-the-loop.
Learn more →Agent Gateway for MCP
Expose BlackLine actions as governed MCP tools — observable, rate-limited, authenticated.
Learn more →More finance apps on Tray.ai
Dedicated connectors and other apps Tray.ai reaches in the same category. See every finance connector →
Frequently asked questions
What can a Tray.ai workflow do in BlackLine?
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The BlackLine API documents 22 actions across 6 resources (Journals, Journal comments, Account reconciliations, Tasks, Reports, Variance). For example: List journals; List journal comments; Import account balances. A workflow can make any documented call through the HTTP Connector.
How does Tray.ai authenticate with BlackLine?
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The BlackLine API uses OAuth 2.0. You save it once as a Tray.ai authentication, and the HTTP Connector adds it to every request.
See BlackLine working against your stack.
We'll walk through a tailored demo with your systems plugged in.
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