---
title: Common parameters
description: Most InfluxDB API endpoints require parameters in the request — for example, specifying the database to write to or query from. Common parameters The following table shows common parameters used by many InfluxDB 3 Clustered API endpoints. Some endpoints require additional parameters in the query string or request body. Query parameter Value type Description db string The database name (v1 and v3 endpoints) bucket string The database name (v2 /api/v2/write endpoint) org string Ignored; included f
url: https://docs.influxdata.com/influxdb3/clustered/api/data-api/common-parameters/
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publisher: InfluxData
canonical: https://docs.influxdata.com/influxdb3/clustered/api/data-api/common-parameters/
---

[Download Clustered Data API Spec](/openapi/influxdb-clustered-data-api.yml)

Most InfluxDB API endpoints require parameters in the request — for example,
specifying the database to write to or query from.

### Common parameters

The following table shows common parameters used by many InfluxDB 3 Clustered
API endpoints.
Some endpoints require additional parameters in the query string or request body.

|Query parameter|Value type|                              Description                               |
|---------------|----------|------------------------------------------------------------------------|
|     `db`      |  string  |                The database name (v1 and v3 endpoints)                 |
|   `bucket`    |  string  |            The database name (v2 `/api/v2/write` endpoint)             |
|     `org`     |  string  |             Ignored; included for v2 client compatibility              |
|  `precision`  |  string  |         Timestamp precision for writes (`ns`, `us`, `ms`, `s`)         |
|    `epoch`    |  string  |Timestamp precision for query responses (`ns`, `u`, `ms`, `s`, `m`, `h`)|
| Query parameter | Value type | Description |
| --- | --- | --- |
| Query parameter | Value type | Description |
| db | string | The database name (v1 and v3 endpoints) |
| bucket | string | The database name (v2  /api/v2/write  endpoint) |
| org | string | Ignored; included for v2 client compatibility |
| precision | string | Timestamp precision for writes ( ns ,  us ,  ms ,  s ) |
| epoch | string | Timestamp precision for query responses ( ns ,  u ,  ms ,  s ,  m ,  h ) |