---
title: "Every field type, its settings and its limits"
description: "List field types, storage, writable and systemWritten flags, setting names, `configSchema`, and limits."
canonical: "https://grid82.com/docs/builder-api/fields/types"
updated: "2026-11-13"
---

# Every field type, its settings and its limits

`GET https://studio.grid82.app/v1/field-types`

List field types, storage, writable and systemWritten flags, setting names, `configSchema`, and limits.

For creation use `createConfigSchema` when present, otherwise `configSchema`; `configSchema` describes the stored shape. Keys not defined for the type fail validation.

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

**Authorizations**

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

## Response

**200**: Success

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

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

**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/field-types' \
  --header 'Authorization: Bearer <token>'
```
