---
title: InfluxDB v2 API
description: >
  The InfluxDB v2 API provides a programmatic interface for interactions with InfluxDB.
  Access the InfluxDB API using the `/api/v2/` endpoint.
menu: influxdb_cloud_ref
weight: 3
influxdb/cloud/tags: [api]
---

The InfluxDB v2 API provides a programmatic interface for interactions with InfluxDB.
Access the InfluxDB API using the `/api/v2/` endpoint.

## InfluxDB client libraries
[InfluxDB client libraries](/influxdb/cloud/api-guide/client-libraries/) are language-specific packages that integrate with the InfluxDB v2 API.

## Authentication
{{% cloud-token-auth %}}
Include your API token as an `Authorization` header in each request.

```sh
curl --request POST https://cloud2.influxdata.com/api/v2/write \
  --header "Authorization: Token YOUR_API_TOKEN" \
  --data-urlencode "org=myorg" \
  --data-urlencode "bucket=example-bucket"
```

## InfluxDB Cloud API documentation
<a class="btn" href="/influxdb/cloud/api/">InfluxDB Cloud API documentation</a>

## InfluxDB v1 compatibility API documentation
The InfluxDB v2 API includes [InfluxDB 1.x compatibility endpoints](/influxdb/cloud/reference/api/influxdb-1x/)
that work with InfluxDB 1.x client libraries and third-party integrations like
[Grafana](https://grafana.com) and others.

<a class="btn" href="/influxdb/cloud/api/v1-compatibility/">View full v1 compatibility API documentation</a>