# Terminal49 Custom Field Definitions API

**Canonical:** https://apis.io/apis/terminal49/terminal49-custom-field-definitions-api/  
**Provider:** Terminal49 — https://apis.io/providers/terminal49/  
**Base URL:** https://api.terminal49.com/v2  
**Documentation:** https://terminal49.com/docs/api-docs/api-reference/introduction

Terminal49 Custom Field Definitions API is one of 20 APIs that [Terminal49](https://apis.io/providers/terminal49/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 5 JSON Schema definitions. Tagged areas include Custom Field Definitions. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, and 5 JSON Schemas.

The Custom Field Definitions API from Terminal49 — 2 operation(s) for custom field definitions.

## Operations (5)

| Method | Path | Summary |
|---|---|---|
| GET | `/custom_field_definitions` | List custom field definitions |
| POST | `/custom_field_definitions` | Create a custom field definition |
| GET | `/custom_field_definitions/{id}` | Get a custom field definition |
| PATCH | `/custom_field_definitions/{id}` | Update a custom field definition |
| DELETE | `/custom_field_definitions/{id}` | Delete a custom field definition |

## Machine-readable artifacts (12)

- **OpenAPI** — https://artifacts.apis.io/terminal49/openapi/terminal49-custom-field-definitions-api-openapi.yml
- **Documentation** — https://terminal49.com/docs/api-docs/getting-started/tracking-shipments-and-containers/
- **APIReference** — https://terminal49.com/docs/api-docs/api-reference/introduction
- **PostmanCollection** — https://artifacts.apis.io/terminal49/collections/terminal49.postman_collection.json
- **OpenCollection** — https://artifacts.apis.io/terminal49/collections/terminal49.opencollection.json
- **Documentation** — https://terminal49.com/docs/api-docs/getting-started/list-shipments-and-containers/
- **Documentation** — https://terminal49.com/docs/api-docs/in-depth-guides/quickstart/
- **JSONSchema** — https://artifacts.apis.io/terminal49/json-schema/terminal49-custom-field-definition-schema.json
- **JSONSchema** — https://artifacts.apis.io/terminal49/json-schema/terminal49-links-schema.json
- **JSONSchema** — https://artifacts.apis.io/terminal49/json-schema/terminal49-custom-field-value-schema.json
- **JSONSchema** — https://artifacts.apis.io/terminal49/json-schema/terminal49-meta-schema.json
- **JSONSchema** — https://artifacts.apis.io/terminal49/json-schema/terminal49-link-self-schema.json

## Other Terminal49 APIs (12)

- [Terminal49 Shipping Lines API](https://apis.io/apis/terminal49/terminal49-shipping-lines-api/)
- [Terminal49 Terminals API](https://apis.io/apis/terminal49/terminal49-terminals-api/)
- [Terminal49 Tracking Requests API](https://apis.io/apis/terminal49/terminal49-tracking-requests-api/)
- [Terminal49 Transport Events API](https://apis.io/apis/terminal49/terminal49-transport-events-api/)
- [Terminal49 Webhooks API](https://apis.io/apis/terminal49/terminal49-webhooks-api/)
- [Terminal49 Containers API](https://apis.io/apis/terminal49/terminal49-containers-api/)
- [Terminal49 Custom Field Options API](https://apis.io/apis/terminal49/terminal49-custom-field-options-api/)
- [Terminal49 Custom Fields API](https://apis.io/apis/terminal49/terminal49-custom-fields-api/)
- [Terminal49 Document Schemas API](https://apis.io/apis/terminal49/terminal49-document-schemas-api/)
- [Terminal49 Documents API](https://apis.io/apis/terminal49/terminal49-documents-api/)
- [Terminal49 Email Submissions API](https://apis.io/apis/terminal49/terminal49-email-submissions-api/)
- [Terminal49 Metro Areas API](https://apis.io/apis/terminal49/terminal49-metro-areas-api/)

## Tags

Custom Field Definitions

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/terminal49/terminal49-custom-field-definitions-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/terminal49/.