---
title: "Every function a formula may call"
description: "List each function's name, group, purpose, example, return value, and argument count."
canonical: "https://grid82.com/docs/builder-api/fields/functions"
updated: "2026-11-13"
---

# Every function a formula may call

`GET https://studio.grid82.app/v1/formula-functions`

List each function's name, group, purpose, example, return value, and argument count.

Functions not listed here do not exist; guessing a function from another product causes the formula to be refused when saved.

Requires the `schema:read` scope. Operation `fields.functions`. MCP tool `fields_functions`. CLI: `grid82 fields functions` (`npx grid82`).

**Authorizations**

- `Authorization` (bearer, in header, required)

## Response

**200**: Success

- `data` (`object`, required)
- `data.functions` (`Record<string, object>[]`, required)

```json
{
  "data": {
    "functions": [
      {}
    ]
  }
}
```

**4XX**: Refused

- `error` (`object`, required)
- `error.code` (`enum<string>`, required, one of: `not_found, forbidden, unauthenticated, validation_failed, conflict, rate_limited, payment_required, not_implemented, internal`)
- `error.message` (`string`, required)
- `error.details` (`Record<string, unknown>`)

```json
{
  "error": {
    "code": "not_found",
    "message": "<string>",
    "details": {}
  }
}
```

**Example request**

```bash
curl --request GET \
  --url 'https://studio.grid82.app/v1/formula-functions' \
  --header 'Authorization: Bearer <token>'
```