> ## Documentation Index
> Fetch the complete documentation index at: https://realtycrawl.dev/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Read latest recorded one-family sale

> Retrieve one newest DOF Rolling Calendar Sales entry for this account’s retained non-condominium NYC A1 one-family tax lot. Exact borough/block/lot plus current and sale-time A1 category/tax-class1 must agree. Limit1(default1),no cursor. Fresh metadata+bounded dataset query costs50 credits on success; no entry404 and errors/replay0. Source sale amount includingzero consideration is preserved, not interpreted as an arm’s-length valuation or whole-parcel consideration allocation. Date precision day, no timezone inferred. Dataset-scoped row ID, source/methodology and rolling-window limits included. No current ownership, deed/title or complete history claim.

Retrieve one newest DOF Rolling Calendar Sales entry for this account’s retained non-condominium NYC A1 one-family tax lot. Exact borough/block/lot plus current and sale-time A1 category/tax-class 1 must agree. Limit 1 (default 1), no cursor. Fresh metadata+bounded dataset query costs 50 credits on success; no entry 404 and errors/replay 0. Source sale amount including zero consideration is preserved, not interpreted as an arm’s-length valuation or whole-parcel consideration allocation. Date precision day, no timezone inferred. Dataset-scoped row ID, source/methodology and rolling-window limits included. No current ownership, deed/title or complete history claim.

<Note>Check [live capabilities](https://realtycrawl.dev/v1/meta/capabilities?platform=nyc_pluto). Independent wrapper for NYC Open Data. Existing idempotency replay remains a prior snapshot and can outlive 24h selector retention.</Note>


## OpenAPI

````yaml GET /v1/properties/{property_id}/transactions
openapi: 3.1.0
info:
  title: RealtyCrawl proposed unified API
  version: 0.1.0
  description: >-
    Research draft dated 2026-10-13. No production server or enabled platform
    coverage is implied. Country and operation capabilities must be checked.
servers:
  - url: https://realtycrawl.dev
security:
  - ApiKeyAuth: []
paths:
  /v1/properties/{property_id}/transactions:
    get:
      tags:
        - properties
      summary: Read latest recorded one-family sale
      description: >-
        Retrieve one newest DOF Rolling Calendar Sales entry for this account’s
        retained non-condominium NYC A1 one-family tax lot. Exact
        borough/block/lot plus current and sale-time A1 category/tax-class1 must
        agree. Limit1(default1),no cursor. Fresh metadata+bounded dataset query
        costs50 credits on success; no entry404 and errors/replay0. Source sale
        amount includingzero consideration is preserved, not interpreted as an
        arm’s-length valuation or whole-parcel consideration allocation. Date
        precision day, no timezone inferred. Dataset-scoped row ID,
        source/methodology and rolling-window limits included. No current
        ownership, deed/title or complete history claim.
      operationId: getPropertyTransactions
      parameters:
        - name: property_id
          in: path
          required: true
          schema:
            type: string
            minLength: 1
        - name: limit
          in: query
          schema:
            type: integer
            minimum: 1
            maximum: 100
            default: 20
        - name: cursor
          in: query
          schema:
            type: string
      responses:
        '200':
          description: Successful response; meta discloses source completeness
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/getPropertyTransactionsResponse'
        default:
          description: Typed error response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    getPropertyTransactionsResponse:
      type: object
      properties:
        data:
          type: array
          items:
            $ref: '#/components/schemas/Record'
        meta:
          $ref: '#/components/schemas/Meta'
      required:
        - data
        - meta
      additionalProperties: false
    ErrorResponse:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
            message:
              type: string
            retryable:
              type: boolean
            details:
              type: array
              items:
                $ref: '#/components/schemas/SourceOutcome'
          required:
            - code
            - message
            - retryable
          additionalProperties: false
        request_id:
          type: string
      required:
        - error
        - request_id
      additionalProperties: false
    Record:
      type: object
      properties:
        id:
          type: string
        record_type:
          type: string
          enum:
            - property_record
            - transaction
            - tax_assessment
        event_at:
          anyOf:
            - type: string
            - type: 'null'
        jurisdiction:
          anyOf:
            - type: string
            - type: 'null'
        source:
          $ref: '#/components/schemas/Source'
        fields:
          type: object
          properties: {}
          required: []
          additionalProperties: true
      required:
        - id
        - record_type
        - source
        - fields
      additionalProperties: false
    Meta:
      type: object
      properties:
        request_id:
          type: string
        schema_version:
          type: string
        generated_at:
          type: string
          format: date-time
        completeness:
          type: string
          enum:
            - complete
            - partial
            - unknown
        sources:
          type: array
          items:
            $ref: '#/components/schemas/SourceOutcome'
        warnings:
          type: array
          items:
            type: object
            properties:
              code:
                type: string
              message:
                type: string
              field:
                type: string
            required:
              - code
              - message
            additionalProperties: false
        pagination:
          type: object
          properties:
            next_cursor:
              anyOf:
                - type: string
                - type: 'null'
            has_more:
              type: boolean
            returned:
              type: integer
            total:
              anyOf:
                - type: integer
                - type: 'null'
            total_relation:
              type: string
              enum:
                - exact
                - lower_bound
                - unknown
          required:
            - next_cursor
            - has_more
            - returned
            - total
            - total_relation
          additionalProperties: false
        property_groups:
          type: array
          items:
            $ref: '#/components/schemas/PropertyGroup'
      required:
        - request_id
        - schema_version
        - generated_at
        - completeness
        - sources
      additionalProperties: false
    SourceOutcome:
      type: object
      properties:
        platform:
          type: string
        provider:
          anyOf:
            - type: string
            - type: 'null'
        status:
          type: string
          enum:
            - success
            - partial
            - failed
            - unsupported
        error_code:
          anyOf:
            - type: string
            - type: 'null'
        truncated:
          type: boolean
        observed_at:
          anyOf:
            - type: string
              format: date-time
            - type: 'null'
      required:
        - platform
        - status
      additionalProperties: false
    Source:
      type: object
      properties:
        platform:
          type: string
        country:
          type: string
        native_id:
          anyOf:
            - type: string
            - type: 'null'
        url:
          anyOf:
            - type: string
              format: uri
            - type: 'null'
        provider:
          type: string
        observed_at:
          type: string
          format: date-time
        source_updated_at:
          anyOf:
            - type: string
              format: date-time
            - type: 'null'
        access_class:
          type: string
          enum:
            - public_portal
            - licensed_feed
            - public_record
            - modeled
        retrieved_at:
          type: string
          format: date-time
      required:
        - platform
        - provider
        - observed_at
        - access_class
      additionalProperties: false
    PropertyGroup:
      type: object
      properties:
        property_id:
          anyOf:
            - type: string
            - type: 'null'
        listing_ids:
          type: array
          items:
            type: string
        match_method:
          type: string
        confidence:
          anyOf:
            - type: number
            - type: 'null'
        status:
          type: string
          enum:
            - matched
            - ambiguous
      required:
        - property_id
        - listing_ids
        - match_method
        - status
      additionalProperties: false
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key

````

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