> ## Documentation Index > Fetch the complete documentation index at: https://docs.assetinfinity.ai/llms.txt > Use this file to discover all available pages before exploring further. # List meter readings > The reading history behind api.asset_meters. ## OpenAPI ````yaml /api-reference/integration.json get /meter_readings openapi: 3.0.0 info: description: >- The calls an integration needs first. Every endpoint the application uses is in the complete reference. title: Asset Infinity integration API version: 12.2.3 servers: - url: https://app.assetinfinity.ai/api security: [] tags: - description: >- Exchange an API key, or an email and password, for a short-lived session token, and send it as `Authorization: Bearer ` on every other call. name: Signing in - description: >- Where assets are and work happens. A location belongs to a site and may sit inside another location. name: Sites and locations - description: >- The asset register: read it, add to it, correct it, move an asset between sites and locations, and change its status. name: Assets - description: >- Report a problem. A request is triaged by a person, who turns it into a work order or turns it down. name: Work requests - description: >- Raise a job, give it to somebody, move it through the organisation's statuses, complete it and close it. name: Work orders - description: >- Send readings in. A meter reading brings the meter forward and raises any maintenance the usage has made due. A sensor reading can open or clear an alert. name: Meters and sensors - description: >- The part catalogue and what is on the shelf in each store, and the three movements an outside system most often records: a delivery in, an issue out and a correction. name: Parts and stock - description: >- Have the product call your system when something happens, instead of asking it on a timer. name: Webhooks - description: >- The calls behind every register that has no call of its own, answers to the organisation's own fields, and the two calls that answer what to send. `list_options` returns the ids a field accepts. `describe_call` returns the fields any call takes. name: Any record externalDocs: description: PostgREST Documentation url: https://postgrest.org/en/v12/references/api.html paths: /meter_readings: get: tags: - Meters and sensors summary: List meter readings description: The reading history behind api.asset_meters. parameters: - $ref: '#/components/parameters/rowFilter.meter_readings.id' - $ref: '#/components/parameters/rowFilter.meter_readings.meter_id' - $ref: '#/components/parameters/rowFilter.meter_readings.meter_code' - $ref: '#/components/parameters/rowFilter.meter_readings.meter_name' - $ref: '#/components/parameters/rowFilter.meter_readings.asset_id' - $ref: '#/components/parameters/rowFilter.meter_readings.asset_number' - $ref: '#/components/parameters/rowFilter.meter_readings.unit_of_measure' - $ref: '#/components/parameters/rowFilter.meter_readings.reading' - $ref: '#/components/parameters/rowFilter.meter_readings.reading_at' - $ref: '#/components/parameters/rowFilter.meter_readings.source' - $ref: '#/components/parameters/rowFilter.meter_readings.notes' - $ref: '#/components/parameters/rowFilter.meter_readings.created_at' - $ref: '#/components/parameters/select' - $ref: '#/components/parameters/order' - $ref: '#/components/parameters/range' - $ref: '#/components/parameters/rangeUnit' - $ref: '#/components/parameters/offset' - $ref: '#/components/parameters/limit' - $ref: '#/components/parameters/preferCount' responses: '200': content: application/json: schema: items: $ref: '#/components/schemas/meter_readings' type: array application/vnd.pgrst.object+json: schema: items: $ref: '#/components/schemas/meter_readings' type: array application/vnd.pgrst.object+json;nulls=stripped: schema: items: $ref: '#/components/schemas/meter_readings' type: array text/csv: schema: items: $ref: '#/components/schemas/meter_readings' type: array description: OK '206': description: Partial Content components: parameters: rowFilter.meter_readings.id: in: query name: id required: false schema: type: string rowFilter.meter_readings.meter_id: in: query name: meter_id required: false schema: type: string rowFilter.meter_readings.meter_code: in: query name: meter_code required: false schema: type: string rowFilter.meter_readings.meter_name: in: query name: meter_name required: false schema: type: string rowFilter.meter_readings.asset_id: in: query name: asset_id required: false schema: type: string rowFilter.meter_readings.asset_number: in: query name: asset_number required: false schema: type: string rowFilter.meter_readings.unit_of_measure: in: query name: unit_of_measure required: false schema: type: string rowFilter.meter_readings.reading: in: query name: reading required: false schema: type: string rowFilter.meter_readings.reading_at: in: query name: reading_at required: false schema: type: string rowFilter.meter_readings.source: in: query name: source required: false schema: type: string rowFilter.meter_readings.notes: in: query name: notes required: false schema: type: string rowFilter.meter_readings.created_at: in: query name: created_at required: false schema: type: string select: description: Filtering Columns in: query name: select required: false schema: type: string order: description: Ordering in: query name: order required: false schema: type: string range: description: Limiting and Pagination in: header name: Range required: false schema: type: string rangeUnit: description: Limiting and Pagination in: header name: Range-Unit required: false schema: default: items type: string offset: description: Limiting and Pagination in: query name: offset required: false schema: type: string limit: description: Limiting and Pagination in: query name: limit required: false schema: type: string preferCount: description: Preference in: header name: Prefer required: false schema: enum: - count=none type: string schemas: meter_readings: description: The reading history behind api.asset_meters. properties: asset_id: description: >- Note: This is a Foreign Key to `asset_contracts.asset_id`. format: uuid type: string asset_number: format: character varying maxLength: 80 type: string created_at: format: timestamp with time zone type: string id: description: |- Note: This is a Primary Key. format: uuid type: string meter_code: format: character varying maxLength: 60 type: string meter_id: description: >- Note: This is a Foreign Key to `asset_meters.meter_id`. format: uuid type: string meter_name: format: character varying maxLength: 150 type: string notes: format: text type: string reading: format: numeric type: number reading_at: format: timestamp with time zone type: string source: format: character varying maxLength: 30 type: string unit_of_measure: format: character varying maxLength: 30 type: string type: object ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.