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docs-v2/content/shared/influxdb3-write-guides/compatibility-apis.md

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Use compatibility APIs when you need to migrate existing InfluxDB v1 or v2 write workloads to InfluxDB 3.x. The /api/v2/write (v2-compatible) and /write (v1-compatible) HTTP API endpoints work with InfluxDB client libraries, Telegraf, and third-party integrations to write points as line protocol data to {{% product-name %}}.

[!Note]

Compatibility APIs differ from native APIs

Keep in mind that the compatibility APIs differ from the v1 and v2 APIs in previous versions in the following ways:

  • Tags in a table (measurement) are immutable
  • A tag and a field can't have the same name within a table.

InfluxDB v2 compatibility

The /api/v2/write InfluxDB v2 compatibility endpoint provides backwards compatibility with clients that can write data to InfluxDB OSS v2.x and Cloud 2 (TSM).

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InfluxDB v1 compatibility

The /write InfluxDB v1 compatibility endpoint provides backwards compatibility with clients that can write data to InfluxDB v1.x.

{{}}