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The InfluxDB v2 API includes InfluxDB 1.x compatibility endpoints that work with InfluxDB 1.x client libraries and third-party integrations like Grafana and others.

View full v1 compatibility API documentation

Authentication

InfluxDB 1.x compatibility endpoints require all query and write requests to be authenticated with an API token or v1-compatible credentials.

[!Important]

Authenticate with an API token or 1.x-compatible credentials

You can't use an InfluxDB 2.x username and password to authenticate with the InfluxDB 1.x compatibility API.

Authenticate with the Token scheme

Token authentication requires the following credential:

Use the Authorization header with the Token scheme to provide your token to InfluxDB. The Token scheme is the word Token, a space, and your token (all case-sensitive).

Syntax

Authorization: Token INFLUX_API_TOKEN

Example

{{< code-tabs-wrapper >}} {{% code-tabs %}} curl Node.js {{% /code-tabs %}} {{% code-tab-content %}}

{{% get-shared-text "api/v1-compat/auth/oss/token-auth.sh" %}}

{{% /code-tab-content %}} {{% code-tab-content %}}

{{% get-shared-text "api/v1-compat/auth/oss/token-auth.js" %}}

{{% /code-tab-content %}} {{< /code-tabs-wrapper >}}

Authenticate with a username and password scheme

Use the following authentication schemes with clients that support the InfluxDB 1.x convention of username and password (that don't support the Authorization: Token scheme):

Manage credentials

{{% show-in "v2" %}}

Username and password schemes require the following credentials:

  • username: 1.x username (this is separate from the UI login username)
  • password: 1.x password or InfluxDB API token.

{{% note %}}

Password or Token

If you have set a password for the v1-compatible username, provide the v1-compatible password. If you haven't set a password for the v1-compatible username, provide the InfluxDB authentication token as the password. {{% /note %}}

For more information, see how to create and manage v1-compatible authorizations when manually upgrading from InfluxDB v1 to v2.

{{% /show-in %}}

{{% show-in "cloud,cloud-serverless" %}}

  • username: InfluxDB Cloud username (Use the email address you signed up with as your username--for example, exampleuser@influxdata.com.)
  • password: InfluxDB Cloud API token

{{% /show-in %}}

Basic authentication

Use the Authorization header with the Basic scheme to provide username and password credentials to InfluxDB.

{{% api/v1-compat/basic-auth-syntax %}}

Syntax

{{% show-in "v2" %}}

Authorization: Basic INFLUX_USERNAME:INFLUX_PASSWORD_OR_TOKEN

{{% /show-in %}}

{{% show-in "cloud,cloud-serverless" %}}

Authorization: Basic exampleuser@influxdata.com:INFLUX_API_TOKEN

{{% /show-in %}}

Example

{{% code-placeholders "INFLUX_(USERNAME|PASSWORD_OR_TOKEN|API_TOKEN)|exampleuser@influxdata.com" %}}

{{% show-in "v2" %}}

{{< code-tabs-wrapper >}} {{% code-tabs %}} curl Node.js {{% /code-tabs %}} {{% code-tab-content %}}

{{% get-shared-text "api/v1-compat/auth/oss/basic-auth.sh" %}}

{{% /code-tab-content %}} {{% code-tab-content %}}

{{% get-shared-text "api/v1-compat/auth/oss/basic-auth.js" %}}

{{% /code-tab-content %}} {{< /code-tabs-wrapper >}}

{{% /show-in %}}

{{% show-in "cloud,cloud-serverless" %}}

{{< code-tabs-wrapper >}} {{% code-tabs %}} curl Node.js {{% /code-tabs %}} {{% code-tab-content %}}

{{% get-shared-text "api/v1-compat/auth/cloud/basic-auth.sh" %}}

{{% /code-tab-content %}}

{{% code-tab-content %}}

{{% get-shared-text "api/v1-compat/auth/cloud/basic-auth.js" %}}

{{% /code-tab-content %}} {{< /code-tabs-wrapper >}}

Replace the following:

  • {{% code-placeholder-key %}}exampleuser@influxdata.com{{% /code-placeholder-key %}}: the email address that you signed up with
  • {{% code-placeholder-key %}}INFLUX_API_TOKEN{{% /code-placeholder-key %}}: your InfluxDB API token

{{% /show-in %}}

Query string authentication

Use InfluxDB 1.x API parameters to provide credentials through the query string.

{{% note %}}

Consider when using query string parameters
  • URL-encode query parameters that may contain whitespace or other special characters.
  • Be aware of the risks when exposing sensitive data through URLs. {{% /note %}}
Syntax

{{% show-in "v2" %}}

 /query/?u=INFLUX_USERNAME&p=INFLUX_PASSWORD_OR_TOKEN
 /write/?u=INFLUX_USERNAME&p=INFLUX_PASSWORD_OR_TOKEN

{{% /show-in %}}

{{% show-in "cloud,cloud-serverless" %}}

/query/?u=INFLUX_USERNAME&p=INFLUX_API_TOKEN
/write/?u=INFLUX_USERNAME&p=INFLUX_API_TOKEN

{{% /show-in %}}

Example

{{% show-in "v2" %}} {{< code-tabs-wrapper >}} {{% code-tabs %}} curl Node.js {{% /code-tabs %}} {{% code-tab-content %}}

{{< get-shared-text "api/v1-compat/auth/oss/querystring-auth.sh" >}}

{{% /code-tab-content %}} {{% code-tab-content %}}

{{< get-shared-text "api/v1-compat/auth/oss/querystring-auth.js" >}}

{{% /code-tab-content %}} {{< /code-tabs-wrapper >}}

Replace the following:

{{% /show-in %}}

{{% show-in "cloud,cloud-serverless" %}}

{{< code-tabs-wrapper >}} {{% code-tabs %}} curl Node.js {{% /code-tabs %}} {{% code-tab-content %}}

{{% get-shared-text "api/v1-compat/auth/cloud/basic-auth.sh" %}}

{{% /code-tab-content %}}

{{% code-tab-content %}}

{{% get-shared-text "api/v1-compat/auth/cloud/basic-auth.js" %}}

{{% /code-tab-content %}} {{< /code-tabs-wrapper >}}

{{% /code-placeholders %}}

Replace the following:

  • {{% code-placeholder-key %}}exampleuser@influxdata.com{{% /code-placeholder-key %}}: the email address that you signed up with
  • {{% code-placeholder-key %}}INFLUX_API_TOKEN{{% /code-placeholder-key %}}: your InfluxDB API token

{{% /show-in %}}

Troubleshoot authentication issues

Unauthorized when using the initial username and password

You can't use the InfluxDB 2.x username and password to authenticate with the InfluxDB 1.x compatibility API. For example, given the following Docker Compose configuration:

# Docker compose example
  influx2:
    image: influxdb:2.4.0
    volumes:
      - ./dev/influxdb2:/var/lib/influxdb2
    ports:
      - "8086:8086"
    environment:
      DOCKER_INFLUXDB_INIT_USERNAME: dev
      DOCKER_INFLUXDB_INIT_PASSWORD: 12345678
      DOCKER_INFLUXDB_INIT_ORG: com.some
      DOCKER_INFLUXDB_INIT_BUCKET: m2_dev
      DOCKER_INFLUXDB_INIT_MODE: setup

The following query using the v1 /query endpoint and v2 initial username and password returns an unauthorized error:

# Using the initial username and password
curl --get "http://localhost:8086/query" \
    --data-urlencode "u=dev" \
    --data-urlencode "p=12345678" \
    --data-urlencode "db=m2_dev" \
    --data-urlencode "q=SELECT * FROM default"

Instead, authenticate with a token or a 1.x username and password scheme.

InfluxQL support

The compatibility API supports InfluxQL, with the following caveats:

  • The INTO clause (for example, SELECT ... INTO ...) is not supported.
  • With the exception of DELETE and DROP MEASUREMENT queries, which are still allowed, InfluxQL database management commands are not supported.

Compatibility endpoints

{{< children readmore=true >}}