---
title: "Get information about data availability"
method: GET
path: "/availableconstraint/{flow}/{key}/{provider}/{componentID}"
tags: ["Data availability queries"]
---

# Get information about data availability

`GET /availableconstraint/{flow}/{key}/{provider}/{componentID}`

## Request

- Base URL: `https://sdw-wsrest.ecb.europa.eu/service`
- URL: `https://sdw-wsrest.ecb.europa.eu/service/availableconstraint/{flow}/{key}/{provider}/{componentID}`
- Auth: none declared
- TypeScript: <https://skmtc.dev/oecd/apis/sdmx-restful-api-v1-5-0/docs/availableconstraint/:flow/:key/:provider/:componentID/get.ts> (a function with typed inputs; its response is checked against the schema)

## Path parameters

- `flow` string, required
- `key` string, required
- `provider` string, required
- `componentID` string, required

## Query parameters

- `mode` 'exact' | 'available'
- `references` 'none' | 'all' | 'datastructure' | 'conceptscheme' | 'codelist' | 'dataproviderscheme' | 'dataflow'
- `startPeriod` string
- `endPeriod` string
- `updatedAfter` string, date-time

## Headers

- `Accept-Encoding` 'br' | 'compress' | 'deflate' | 'exi' | 'gzip' | 'identity' | 'pack200-gzip' | 'zstd'
- `Accept-Language` string
- `If-Modified-Since` string, date-time

## Response `200`

OK

- string

## Other responses

- `304`: No changes
- `400`: Bad syntax
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not found
- `406`: Not acceptable
- `413`: Request entity too large
- `414`: URI too long
- `500`: Internal server error
- `501`: Not implemented
- `503`: Service unavailable

---

[API](https://skmtc.dev/oecd/apis/sdmx-restful-api-v1-5-0.md) - [All operations](https://skmtc.dev/oecd/apis/sdmx-restful-api-v1-5-0/llms.txt) - [OpenAPI document](https://skmtc.dev/oecd/apis/sdmx-restful-api-v1-5-0/revisions/328bd4a98bba?raw)