Emergency Number API is an emergency phone number lookup API for developers. Its goal is to let websites or apps retrieve fire, ambulance, police, and unified dispatch numbers by country or region. It provides global data with a simple interface, making it suitable as a basic information source for travel, safety alerts, map navigation, or internationalized applications.
The service is accessed via a GET request to /api/country/{code}, where code supports ISO 3166-1 alpha-2 or numeric country codes. Responses are returned as JSON and include a disclaimer, error information, and a data object. The data structure is broken down into fields such as Country, Fire, Ambulance, Police, Dispatch, LocalOnly, and Member_112, and it distinguishes between phone network types such as All, GSM, and Fixed. For users who want to cache data locally, it also provides a full dataset endpoint at /api/data/all, which returns an array of country objects.
The API requires no authentication, so the barrier to integration is very low. The documentation covers rate limits, error codes, cache headers, response structure, and examples, which is enough for basic integration. Single-country responses can be cached for 1 day, while the full dataset can be cached for 7 days, helping reduce request load. The service also mentions that raw data and open-source libraries are available on GitHub and that data issues can be submitted there; however, the main documentation does not specify particular SDK languages, version status, or maintenance policies.
The service is currently free, with a unified rate limit of 5 requests per second for all users. Requests exceeding the limit return a 429 response with a Retry-After header. This is friendly for personal projects, low-frequency lookups, and local caching setups, but if you plan to use it for high-concurrency real-time queries, you will need to design your own caching layer or contact the provider to discuss limit requirements.
The advantages are clear: it is free, requires no authentication, has a straightforward API, supports global data, and offers full data export. The drawbacks are also explicit: the official disclaimer says the data is not guaranteed to be accurate and should only be used as a reference, so users need to perform their own due diligence. It also lacks an SLA, commercial support, a clear data update mechanism, and concrete SDK information. It is suitable for travel apps, emergency information displays, safety tools, and prototype projects, but it should not be used as the sole unverified basis for emergency-response decisions.
The documentation does not provide information about mainland China access, ICP filing, payment, or network availability, so this remains unknown. Since the service is free and does not require payment, the payment barrier is low. If access is unstable, you can consider caching the full dataset locally, or combine it with alternative sources such as public government data from various countries and Wikidata to build your own dataset.
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