# QuestDB PostgreSQL Wire Interface

**Canonical:** https://apis.io/apis/questdb/postgres-wire/  
**Provider:** QuestDB — https://apis.io/providers/questdb/  
**Base URL:** postgres://<host>:8812  
**Documentation:** https://questdb.com/docs/develop/connect/

QuestDB PostgreSQL Wire Interface is one of 10 APIs that [QuestDB](https://apis.io/providers/questdb/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include PostgreSQL, Wire Protocol, and JDBC.

PostgreSQL wire-protocol compatibility for queries via psql, JDBC and any Postgres-compatible client. Default port 8812. Supports a subset of Postgres features sufficient for SQL analytics on QuestDB.

## Machine-readable artifacts (1)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/questdb/refs/heads/main/apis.yml

## Other QuestDB APIs (9)

- [QuestDB HTTP REST API](https://apis.io/apis/questdb/rest-http/)
- [QuestDB ILP TCP Ingestion](https://apis.io/apis/questdb/ilp-tcp/)
- [QuestDB ILP HTTP Ingestion](https://apis.io/apis/questdb/ilp-http/)
- [QuestDB Chk API](https://apis.io/apis/questdb/questdb-chk-api/)
- [QuestDB Exec API](https://apis.io/apis/questdb/questdb-exec-api/)
- [QuestDB Exp API](https://apis.io/apis/questdb/questdb-exp-api/)
- [QuestDB Imp API](https://apis.io/apis/questdb/questdb-imp-api/)
- [QuestDB Settings API](https://apis.io/apis/questdb/questdb-settings-api/)
- [QuestDB Write API](https://apis.io/apis/questdb/questdb-write-api/)

## Tags

PostgreSQL, Wire Protocol, JDBC

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