# Get budget line

Retrieve a specific budget line by its identifier.

The lineId parameter accepts both user-friendly IDs and system IDs:
- With  (default): Use account codes like "1100" or "camera-dept"
- With : Use UUIDs/nanoids like "abc123xyz" or "550e8400-e29b-41d4-a716"


Endpoint: GET /projects/{projectId}/budget/line/{lineId}
Version: 1.0.0
Security: ApiKeyAuth

## Path parameters:

  - `projectId` (string, required)
    Project identifier (alias or ID)
    Example: "nike-spring-2024"

  - `lineId` (string, required)
    Budget line identifier. Can be either a user-friendly ID (e.g., account code) or a system ID (UUID/nanoid), depending on the idMode parameter

## Query parameters:

  - `tags` (any)
    Filter budget line by tag names (can be single tag or array of tags)
    Example: ["Marketing","Engineering"]

  - `tagFilterMode` (string)
    How to apply the tag filter
    Enum: "contains", "excludes"

  - `expands` (array)
    Include related data in the response
    Enum: "contact", "phaseData"

  - `idMode` (string)
    ID interpretation mode. Controls how path and query parameter IDs (like lineId, accountId, phaseId) are interpreted - 'user' for human-readable IDs (account codes, phase names), 'system' for database IDs (UUIDs/nanoids). Also affects the format of IDs in responses.
    Enum: "user", "system"

## Response 200 fields (application/json):

  - `type` (string, required)
    Type of budget line
    Enum: "line", "account", "subtotal", "markup", "fringes"

  - `id` (string, required)
    Budget line identifier (system ID)
    Example: "line-001"

  - `accountId` (string,null)
    Account identifier (user-friendly ID like account code)
    Example: "2150"

  - `description` (string,null)
    Budget line description
    Example: "RED Camera Package Rental"

  - `path` (string, required)
    Hierarchical path in budget tree (e.g., /2000/2150)
    Example: "/production/equipment/cameras"

  - `totals` (object, required)
    Calculated totals for each phase
    Example: {"estimate":25000,"actual":22500,"variance":2500}

  - `tags` (array)
    Tags for categorization and filtering
    Example: ["Day-1","A-Camera","Equipment"]

  - `contact` (object)

  - `contact.id` (string, required)
    Contact identifier
    Example: "contact-studio-001"

  - `contact.contactTitle` (string,null)
    Contact display title
    Example: "Sunset Studios - Production Company"

  - `contact.name` (string,null)
    Contact name
    Example: "Alex Rivera"

  - `contact.email` (string,null)
    Contact email address
    Example: "alex.rivera@sunsetstudios.com"

  - `contact.company` (string,null)
    Contact company
    Example: "Sunset Studios Inc."

  - `contact.type` (string,null)
    Contact type (Person, Company, etc.)
    Example: "Person"

  - `contact.jobTitle` (string,null)
    Contact job title
    Example: "Director of Photography"

  - `contact.rate` (number,null)
    Contact hourly rate
    Example: 150

  - `contact.secureInfo` (object)

  - `contact.secureInfo.address` (string,null)
    Contact address
    Example: "123 Sunset Blvd, Los Angeles, CA 90028"

  - `contact.secureInfo.phone` (string,null)
    Contact phone number
    Example: "310-555-1234"

  - `contact.secureInfo.taxIdLast4` (string,null)
    Last 4 digits of tax ID
    Example: "4567"

  - `contact.origin` (object)

  - `contact.origin.origin` (string,null)
    How the contact was created
    Enum: "onboarding", "manual"

  - `contact.origin.createdAt` (string,null)
    Contact creation timestamp
    Example: "2024-02-15T08:00:00Z"

  - `contact.origin.createdByUser` (object)

  - `contact.origin.createdByUser.id` (string, required)
    User identifier
    Example: "user-001"

  - `contact.origin.createdByUser.name` (string, required)
    User name
    Example: "Sarah Chen"

  - `contact.origin.createdByUser.email` (string, required)
    User email address
    Example: "sarah.chen@sunsetstudios.com"

  - `contact.startwork` (array)
    Startwork agreements

  - `contact.startwork.id` (string, required)
    Startwork agreement identifier
    Example: "startwork-001"

  - `contact.startwork.title` (string, required)
    Agreement title
    Example: "Independent Contractor Agreement"

  - `contact.startwork.signedOn` (string, required)
    Signature timestamp
    Example: "2024-03-01T10:00:00Z"

  - `contact.linkedUser` (object)

  - `contact.bankInfo` (array)
    Banking information

  - `contact.bankInfo.id` (string, required)
    Bank account identifier
    Example: "bank-acc-001"

  - `contact.bankInfo.bankName` (string, required)
    Bank name
    Example: "Chase Bank"

  - `contact.bankInfo.accountType` (string, required)
    Account type (checking, savings, etc.)
    Example: "checking"

  - `contact.bankInfo.accountLast4` (string, required)
    Last 4 digits of account number
    Example: "4567"

  - `contact.taxDocuments` (array)
    Tax documents

  - `contact.taxDocuments.id` (string, required)
    File identifier (DigitalOcean Spaces object key)
    Example: "files/2024/03/budget-report.pdf"

  - `contact.taxDocuments.name` (string, required)
    Original filename
    Example: "call-sheet-day-3.pdf"

  - `contact.taxDocuments.type` (string, required)
    MIME type
    Example: "application/pdf"

  - `contact.taxDocuments.size` (integer, required)
    File size in bytes
    Example: 1048576

  - `contact.attachments` (array)
    File attachments

  - `contact.projects` (object)
    Associated projects

  - `phaseData` (object)
    Detailed phase-specific data (expandable)

## Response 401 fields (application/json):

  - `error` (string, required)
    Error message
    Example: "Invalid request parameters"

  - `details` (object)
    Additional error details
    Example: {"field":"projectId","reason":"Project not found"}

  - `code` (string)
    Error code
    Example: "VALIDATION_ERROR"

## Response 404 fields (application/json):

  - `error` (string, required)
    Error message
    Example: "Invalid request parameters"

  - `details` (object)
    Additional error details
    Example: {"field":"projectId","reason":"Project not found"}

  - `code` (string)
    Error code
    Example: "VALIDATION_ERROR"

## Response 500 fields (application/json):

  - `error` (string, required)
    Error message
    Example: "Invalid request parameters"

  - `details` (object)
    Additional error details
    Example: {"field":"projectId","reason":"Project not found"}

  - `code` (string)
    Error code
    Example: "VALIDATION_ERROR"