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

# Get an observation

> Resolves the best observation value for a resource and key.



## OpenAPI

````yaml /api-reference/openapi.json get /v1/data/observations
openapi: 3.1.0
info:
  title: Metal API
  version: 1.0.0
  description: >-
    REST API for Metal, the AI context layer for financial firms. Manage
    companies, deals, people, documents, activities, enrichments, scores,
    screenings, lists, workflows, and more. All endpoints are versioned under
    /v1, return JSON, and are scoped to the organization that owns your API key.
  contact:
    name: Metal Support
    email: support@metal.ai
    url: https://www.metal.ai
servers:
  - url: https://api.metal.ai
    description: Production
security:
  - MetalClientId: []
    MetalApiKey: []
tags:
  - name: API keys
    description: Create, list, and revoke API keys.
  - name: Companies
    description: Manage and enrich companies.
  - name: Deals
    description: Track opportunities through your pipeline.
  - name: People
    description: Manage contacts and relationships.
  - name: Documents
    description: Search and retrieve ingested documents.
  - name: Activities
    description: Log and search meetings, calls, and other interactions.
  - name: Enrichments
    description: Read and write enriched property values on resources.
  - name: Scores
    description: Score companies and deals against scoring frameworks.
  - name: Screenings
    description: Run and manage AI-powered company screenings.
  - name: Lists
    description: Organize and enrich resources in bulk.
  - name: Tags
    description: Label companies, deals, and lists.
  - name: Industries
    description: Manage your organization's industry taxonomy.
  - name: Sectors
    description: Manage sectors within an industry.
  - name: Subsectors
    description: Manage subsectors within a sector.
  - name: Workflows
    description: Run and monitor AI workflows.
  - name: Data
    description: Query time-series metrics and observations.
  - name: Teams
    description: Manage deal teams and their members.
  - name: Workspaces
    description: Organize documents and data by workspace.
paths:
  /v1/data/observations:
    get:
      tags:
        - Data
      summary: Get an observation
      description: Resolves the best observation value for a resource and key.
      operationId: getObservation
      parameters:
        - $ref: '#/components/parameters/DataResource'
        - $ref: '#/components/parameters/DataKey'
      responses:
        '200':
          description: The resolved observation.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    $ref: '#/components/schemas/Observation'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  parameters:
    DataResource:
      name: resource
      in: query
      required: true
      description: >-
        Resource reference as "type:id", e.g.
        "company:665f1c2a9b1e4a0012a3b4c5".
      schema:
        type: string
    DataKey:
      name: key
      in: query
      required: true
      description: Property key as "namespace:key", e.g. "metric:revenue".
      schema:
        type: string
  schemas:
    Observation:
      type: object
      properties:
        resource:
          type: string
        key:
          type: string
        value:
          description: The resolved observation value.
        provenance:
          type: object
          additionalProperties: true
    Error:
      type: object
      properties:
        error:
          type: string
          description: A human-readable error message.
  responses:
    Unauthorized:
      description: Missing or invalid API key credentials.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            error: invalid api key or clientId
    NotFound:
      description: The resource does not exist in your organization.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            error: not found
  securitySchemes:
    MetalClientId:
      type: apiKey
      in: header
      name: x-metal-client-id
      description: The Client ID of your API key.
    MetalApiKey:
      type: apiKey
      in: header
      name: x-metal-api-key
      description: The secret value of your API key.

````