# ClickHouse HTTP Interface

**Canonical:** https://apis.io/apis/clickhouse/clickhouse-http-interface/  
**Provider:** ClickHouse — https://apis.io/providers/clickhouse/  
**Base URL:** http://localhost:8123  
**Documentation:** https://clickhouse.com/docs/en/interfaces/http

ClickHouse HTTP Interface is one of 9 APIs that [ClickHouse](https://apis.io/providers/clickhouse/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Database, HTTP, and SQL. The published artifact set on APIs.io includes API documentation.

HTTP interface (default port 8123, HTTPS 8443) for executing SQL queries against ClickHouse. Supports SELECT via GET, mutations via POST, multiple output formats (JSON, CSV, XML, TabSeparated), and authentication via HTTP Basic, URL parameters, or X-ClickHouse-User/X-ClickHouse-Key headers. Helper paths include /ping and /replicas_status.

## Machine-readable artifacts (2)

- **Documentation** — https://clickhouse.com/docs/en/interfaces/http
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/clickhouse/refs/heads/main/apis.yml

## Other ClickHouse APIs (8)

- [ClickHouse Native TCP Interface](https://apis.io/apis/clickhouse/clickhouse-native/)
- [ClickHouse MySQL Interface](https://apis.io/apis/clickhouse/clickhouse-mysql/)
- [ClickHouse PostgreSQL Interface](https://apis.io/apis/clickhouse/clickhouse-postgresql/)
- [ClickHouse gRPC Interface](https://apis.io/apis/clickhouse/clickhouse-grpc/)
- [ClickHouse ClickHouse HTTP Interface API](https://apis.io/apis/clickhouse/clickhouse-clickhouse-http-interface-api/)
- [ClickHouse Ping API](https://apis.io/apis/clickhouse/clickhouse-ping-api/)
- [ClickHouse Play API](https://apis.io/apis/clickhouse/clickhouse-play-api/)
- [ClickHouse Replicas Status API](https://apis.io/apis/clickhouse/clickhouse-replicas-status-api/)

## Tags

Database, HTTP, SQL

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/clickhouse/clickhouse-http-interface/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/clickhouse/.