Accounting · Beta
BlackLine
API integration
Ship Accounting features without building the integration. Full BlackLine API access via Proxy, normalized data through Unified APIs, and 20+ MCP-ready tools for AI agents — all extensible to your exact use case.
Built for specific customer use cases. Issues are resolved quickly.
Talk to usUse Cases
Why integrate with BlackLine
Common scenarios for SaaS companies building BlackLine integrations for their customers.
Automate SOX-compliant user deprovisioning across financial systems
Identity and GRC platforms can sync user lifecycle events to BlackLine in real time, ensuring terminated employees lose access to sensitive financial close data immediately — a critical SOX audit requirement.
Centralize role-based access control for accounting platforms
IT management and security SaaS products can read and manage BlackLine role assignments alongside other enterprise apps, giving admins a single pane of glass for RBAC across their customers' financial tool stack.
Sync employee directories into BlackLine for seamless onboarding
HRIS and workforce management platforms can automatically provision new finance team members into BlackLine with the correct roles and group memberships, eliminating manual admin setup during onboarding.
Enforce segregation of duties policies across financial systems
GRC and audit readiness platforms can continuously monitor BlackLine user roles and group assignments to detect segregation-of-duties conflicts and flag violations before auditors do.
What You Can Build
Ship these features with Truto + BlackLine
Concrete product features your team can ship faster by leveraging Truto’s BlackLine integration instead of building from scratch.
Automated BlackLine user provisioning and deprovisioning
Automatically create, update, and deprovision BlackLine user accounts when employee status changes in your customers' HRIS or identity provider.
Cross-platform role assignment dashboard
Display a unified view of BlackLine roles and role assignments alongside other connected apps so admins can audit access from one screen.
Group membership sync from identity providers
Keep BlackLine group memberships in sync with teams and departments defined in upstream directory sources like Okta, Azure AD, or Google Workspace.
Segregation of duties conflict detection
Continuously scan BlackLine role assignments and flag users who hold conflicting roles that violate your customers' SoD policies.
Real-time access review reports for auditors
Generate on-demand or scheduled reports showing which users have access to BlackLine, their roles, and group memberships to satisfy SOX and internal audit requests.
SuperAI
BlackLine AI agent tools
Comprehensive AI agent toolset with fine-grained control. Integrates with MCP clients like Cursor and Claude, or frameworks like LangChain.
list_all_black_line_users
List all BlackLine users. Returns an array of user records, each including its id; use filter, sort, and sortOrder to narrow results and fields to trim the response.
get_single_black_line_user_by_id
Get a single BlackLine user by id. Returns the user object including its id. Use fields to select which fields to return. Required: id.
create_a_black_line_user
Create a new user in BlackLine. Returns the created user object including its id. Required: user request body (JSON).
update_a_black_line_user_by_id
Update an existing BlackLine user by id. Returns the updated user object including its id. Required: id and a user request body (JSON).
delete_a_black_line_user_by_id
Trigger the asynchronous deprovision process for a BlackLine user by id. Returns the deprovision process response; use the deprovision status endpoint to poll progress. Required: id.
black_line_users_assign_role
Assign one or more role-product assignments to a BlackLine user. Returns an empty 204 response on success. Required: user_id (path) and a JSON array body of role-product assignment objects; role ids are listed by the Roles API and product ids are provided by BlackLine Support.
black_line_users_remove_role
Unassign a single role and product from a BlackLine user. Returns an empty 204 response on success. Required: user_id.
list_all_black_line_me
Get information about the currently logged-in user in BlackLine. Returns the logged-in user record including its id and profile attributes.
list_all_black_line_teams
List BlackLine teams. Returns team records including their id and upstream-defined attributes.
get_single_black_line_team_by_id
Get a BlackLine team by id. Returns the team record including its id and upstream-defined attributes. Required: id.
create_a_black_line_team
Create a BlackLine team. Returns the created team record including its id and upstream-defined attributes. Requires a JSON team request body.
update_a_black_line_team_by_id
Update a BlackLine team by id. Returns the updated team record including its id and upstream-defined attributes. Requires: id and a JSON team request body.
delete_a_black_line_team_by_id
Delete a BlackLine team by id. Returns an empty 204 response on success. Required: id.
list_all_black_line_roles
List all roles available in the BlackLine instance. Returns an array of role records, each including its id. This endpoint takes no query parameters.
list_all_black_line_user_teams
List the BlackLine teams a user is assigned to, one team record per assignment. Returns: id. Required: user_id.
black_line_user_teams_add_user
Assign one or more BlackLine teams to a user by sending a list of team ids. Returns an empty 204 response on success. Required: user_id and a list of team ids.
black_line_user_teams_remove_user
Unassign a single team from a BlackLine user. Returns an empty 204 response on success. Required: user_id and team_id.
create_a_black_line_token
Generate a BlackLine OAuth access token from client credentials. Returns the OAuth token payload used to authenticate subsequent BlackLine API requests; its fields are defined by BlackLine's 200tokenResponse type. Required: grant_type, scope, client_id, client_secret. username and password are additionally required for the Resource Owner flow, the only supported grant_type.
list_all_black_line_reports
List the Blackline reports that have been run for the authenticated user. Returns report run entries with their id, the value to pass as reportRunId when downloading or exporting a report.
get_single_black_line_report_by_id
Get the data of a completed Blackline report run by id and export type. Returns the report data itself; its columns and layout are specific to the report that was run, so they cannot be enumerated in advance. Required: id, export_type.
list_all_black_line_product_roles
List all available role and product combinations in BlackLine. Returns role-product items including roleId and productId.
list_all_black_line_user_role_products
List all the roles and products assigned to a user in BlackLine. Returns a collection of role-product assignment records, each with its roleId and productId. Required: user_id.
Why Truto
Why use Truto’s MCP server for BlackLine
Other MCP servers give you a static tool list for one app. Truto gives you a managed, multi-tenant MCP infrastructure across 850+ integrations.
Auto-generated, always up to date
Tools are dynamically generated from curated documentation — not hand-coded. As integrations evolve, tools stay current without manual maintenance.
Fine-grained access control
Scope each MCP server to read-only, write-only, specific methods, or tagged tool groups. Expose only what your AI agent needs — nothing more.
Multi-tenant by design
Each MCP server is scoped to a single connected account with its own credentials. The URL itself is the auth token — no shared secrets, no credential leaking across tenants.
Works with every MCP client
Standard JSON-RPC 2.0 protocol. Paste the URL into Claude, ChatGPT, Cursor, or any MCP-compatible agent framework — tools are discovered automatically.
Built-in auth, rate limits, and error handling
Tool calls execute through Truto’s proxy layer with automatic OAuth refresh, rate-limit handling, and normalized error responses. No raw API plumbing in your agent.
Expiring and auditable servers
Create time-limited MCP servers for contractors or automated workflows. Optional dual-auth requires both the URL and a Truto API token for high-security environments.
Unified APIs
Unified APIs for BlackLine
Skip writing code for every integration. Use Truto’s category-specific Unified APIs out of the box or customize the mappings with AI.
Unified User Directory API
How It Works
From zero to integrated
Go live with BlackLine in under an hour. No boilerplate, no maintenance burden.
Link your customer’s BlackLine account
Use Truto’s frontend SDK to connect your customer’s BlackLine account. We handle all OAuth and API key flows — you don’t need to create the OAuth app.
We handle authentication
Don’t spend time refreshing access tokens or figuring out secure storage. We handle it and inject credentials into every API request.
Call our API, we call BlackLine
Truto’s Proxy API is a 1-to-1 mapping of the BlackLine API. You call us, we call BlackLine, and pass the response back in the same cycle.
Unified response format
Every response follows a single format across all integrations. We translate BlackLine’s pagination into unified cursor-based pagination. Data is always in the result attribute.
FAQs
Common questions about BlackLine on Truto
Authentication, rate limits, data freshness, and everything else you need to know before you integrate.
What authentication method does BlackLine's API use?
BlackLine's Open API platform uses OAuth 2.0 with Bearer tokens. Truto handles the full auth flow so your team doesn't need to manage token exchange or refresh logic.
Which BlackLine resources are available through Truto's Unified User Directory API?
Truto's Unified User Directory API maps to BlackLine's Users, Groups, Roles, Role Assignments, and Me endpoints, covering the core identity and access management surface area.
Are BlackLine-specific tools like period management or data ingestion available today?
Not yet. BlackLine-specific tools (e.g., period management, transaction ingestion, task management) are built on request. Contact Truto to scope the exact endpoints you need and we'll build them for you.
Can I deprovision users in BlackLine through Truto?
BlackLine exposes an asynchronous deprovision endpoint for users. Truto can support this operation — reach out to confirm availability or request it as a custom tool.
How does Truto handle pagination and rate limits for BlackLine?
Truto abstracts away BlackLine's pagination and rate-limiting behavior behind a consistent interface. You make standard API calls and Truto manages retries, cursor tracking, and throttling under the hood.
Who typically connects their BlackLine account in an end-user flow?
Usually a Financial Systems Admin or IT Operations lead who has admin-level access to BlackLine. They authorize the OAuth connection, and Truto securely stores and manages the credentials on behalf of your application.
From the Blog
BlackLine integration guides
Deep dives, architecture guides, and practical tutorials for building BlackLine integrations.
BlackLine
Get BlackLine integrated into your app
Our team understands what it takes to make a BlackLine integration successful. A short, crisp 30 minute call with folks who understand the problem.