---
title: "[USES 10 UNITS PER NAME] Infer the likely country of residence of a personal first / last name, or one surname. Assumes names as they are in the country of residence OR the country of origin."
method: GET
path: "/api2/json/countryFnLn/{firstName}/{lastName}"
tags: ["personal"]
---

# [USES 10 UNITS PER NAME] Infer the likely country of residence of a personal first / last name, or one surname. Assumes names as they are in the country of residence OR the country of origin.

`GET /api2/json/countryFnLn/{firstName}/{lastName}`

## Path parameters

- `firstName` string, required
- `lastName` string, required

## Response `200`

A origined name.

- FirstLastNameOriginedOut — Represents the output of inferring the LIKELY country of Origin from a personal name.
  - `script` string
  - `id` string
  - `explanation` string
  - `firstName` string — The first name (also known as given name)
  - `lastName` string — The last name (also known as family name, or surname)
  - `countryOrigin` string — Most likely country of Origin
  - `countryOriginAlt` string — Second best alternative : country of Origin
  - `countriesOriginTop` string[] — List countries of Origin (top 10)
  - `score` number, double — Compatibility to NamSor_v1 Origin score value. Higher score is better, but score is not normalized. Use calibratedProbability if available.
  - `regionOrigin` string — Most likely region of Origin (based on countryOrigin ISO2 code)
  - `topRegionOrigin` string — Most likely top region of Origin (based on countryOrigin ISO2 code)
  - `subRegionOrigin` string — Most likely sub region of Origin (based on countryOrigin ISO2 code)
  - `probabilityCalibrated` number, double — The calibrated probability for countryOrigin to have been guessed correctly. -1 = still calibrating.
  - `probabilityAltCalibrated` number, double — The calibrated probability for countryOrigin OR countryOriginAlt to have been guessed correctly. -1 = still calibrating.
  - `religionStats` ReligionStatOut[] — Geographic religious statistics, assuming country of origin is correctly predicted.
    - `religion` string
    - `pct` number, double
  - `religionStatsAlt` ReligionStatOut[] — Geographic religious statistics, for origin best alternative.
    - `religion` string
    - `pct` number, double

## Other responses

- `401` — Missing or incorrect API Key
- `403` — Email not Verified, or API Limit Reached, or API Key Disabled
- `429` — Too Many Requests

---

[API](https://skmtc.net/namsor/apis/namsor-api-v2.md) · [All operations](https://skmtc.net/namsor/apis/namsor-api-v2/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/namsor/namsor-api-v2/revisions/305e4f6eeaf5/schema)