---
title: "Licence by callsign"
method: GET
path: "/api/v1/fcc/licenses/{callsign}"
tags: ["fcc"]
---

# Licence by callsign

`GET /api/v1/fcc/licenses/{callsign}`

## Request

- Base URL: `https://api.tppflow.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.tppflow.com/api/v1/fcc/licenses/{callsign}`
- Auth: none declared

## Path parameters

- `callsign` string, required

## Response `200`

Successful Response

- FccLicense: FCC Universal Licensing System, normalized.
  - `callsign` string, required
  - `licensee_name` string, nullable
  - `service` string, nullable: Radio service code
  - `status` string, nullable
  - `grant_date` string, nullable: YYYY-MM-DD
  - `expiration_date` string, nullable: YYYY-MM-DD
  - `state` string, nullable

## Other responses

- `402`: Dataset not yet provisioned (private beta)
- `422`: Validation Error

---

[API](https://skmtc.dev/tppflow/apis/teos-transmuter-tollbooth.md) · [All operations](https://skmtc.dev/tppflow/apis/teos-transmuter-tollbooth/llms.txt) · [OpenAPI document](https://skmtc.dev/tppflow/apis/teos-transmuter-tollbooth/revisions/9cc882993c5a?raw)