--- 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: v2_0_ref weight: 2 v2.0/tags: [api] --- The InfluxDB v2 API provides a programmatic interface for interactions with InfluxDB. Access the InfluxDB API using the `/api/v2/` endpoint. ## Authentication InfluxDB uses [authentication tokens](/v2.0/security/tokens/) to authorize API requests. Include your authentication token as an `Authorization` header in each request. ```sh curl --request GET \ --url http://localhost:9999/api/v2/ \ --header 'Authorization: Token YOURAUTHTOKEN' ``` ## View Influx v2 API Documentation Full InfluxDB v2 API documentation is built into the `influxd` service. To view the API documentation, [start InfluxDB](/v2.0/get-started/#start-influxdb) and visit the `/docs` endpoint in a browser. localhost:9999/docs