# SQL Formatter API

> For the complete documentation index, see [llms.txt](/llms.txt).

Format or minify SQL with keyword casing, breaking clauses and joins onto their own lines.

Use this endpoint to add the tool to your app, site, workflow, or agent without rebuilding formulas, validation, examples, and docs.

- Slug: `sql-formatter`
- Category: `developer`
- Version: `2026-04-22`
- Credits per successful call: 1
- Starts on: free
- Max payload: 524288 bytes
- Privacy mode: `no_body_logs`
- Available on: free, starter, pro, business, scale
- Browser tool: https://miniwebtool.com/sql-formatter/

## Endpoint

`POST https://api.miniwebtool.com/v1/tools/sql-formatter/run`

## Request body

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `sql` | `str` | no | SQL text |
| `mode` | `str` | no | format | minify Choices: format, minify |
| `keyword_case` | `str` | no | upper | lower | preserve Choices: upper, lower, preserve |
| `indent_size` | `int` | no | spaces per level |

## Example request

```json
{
  "sql": "select id, name from users where active = 1 order by name",
  "mode": "format",
  "keyword_case": "upper",
  "indent_size": 2
}
```

## cURL

```bash
curl -X POST https://api.miniwebtool.com/v1/tools/sql-formatter/run \
  -H 'Authorization: Bearer mwt_live_YOUR_KEY' \
  -H 'Content-Type: application/json' \
  -d '{"sql":"select id, name from users where active = 1 order by name","mode":"format","keyword_case":"upper","indent_size":2}'
```

## Response envelope

```json
{
  "request_id": "01K...",
  "tool": "sql-formatter",
  "tool_version": "2026-04-22",
  "credits_used": 1,
  "result": {}
}
```

## Errors

Errors are RFC 7807 `application/problem+json`. Branch on `code`, not `title`.

## MCP

Agents can discover and call this tool through `https://api.miniwebtool.com/mcp` or `https://api.miniwebtool.com/v1/mcp` using MCP `tools/list` and `tools/call`.

## Frequently asked

### What does the SQL Formatter API do?

Format or minify SQL with keyword casing, breaking clauses and joins onto their own lines. Use it to add this utility without rebuilding formulas, validation, examples, and documentation.

### How much does one call cost?

1 credit per successful call. Failed calls do not bill.

### What parameters are required?

Required fields: (none). Full schema at `https://api.miniwebtool.com/v1/openapi.json`.

### Is this deterministic?

Yes. Same input, same output. Tool version: 2026-04-22.