> For the complete documentation index, see [llms.txt](https://dev.guardian.hedera.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dev.guardian.hedera.com/guardian/standard-registry/policies/integrating-3rd-party-data-resources/supported-firms-api-methods/getdataavailability.md).

# getDataAvailability

<mark style="color:green;">`GET`</mark> `/api/data_availability/csv/{${FIRMSService.secretTokenParamName}}/{sensor}`

Retrieve date range availability for a sensor dataset.

**Headers**

| Name          | Value              |
| ------------- | ------------------ |
| Content-Type  | `application/json` |
| Authorization | `Bearer <token>`   |

**Body**

| Name   | Type   | Description |
| ------ | ------ | ----------- |
| sensor | string | Sensor      |