Settings
List US Nexus States
List the US states where the tenant has declared sales-tax nexus.
GET
/
v1
/
settings
/
tax
/
nexus
List US sales-tax nexus states
curl --request GET \
--url https://billing.example.com/v1/settings/tax/nexus \
--header 'Authorization: Bearer <token>'import requests
url = "https://billing.example.com/v1/settings/tax/nexus"
headers = {"Authorization": "Bearer <token>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};
fetch('https://billing.example.com/v1/settings/tax/nexus', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://billing.example.com/v1/settings/tax/nexus",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://billing.example.com/v1/settings/tax/nexus"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://billing.example.com/v1/settings/tax/nexus")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://billing.example.com/v1/settings/tax/nexus")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"data": [
{
"state_code": "CA",
"nexus_type": "physical",
"established_at": "2023-11-07T05:31:56Z",
"created_at": "2023-11-07T05:31:56Z"
}
]
}{
"error": {
"code": "validation_failed",
"message": "<string>"
}
}Returns the US states the tenant has declared sales-tax nexus in. Once any
state is declared, US sales tax is collected only in those states. Scope
to a legal entity with the optional
entity_id query parameter. For
threshold tracking and auto-established economic nexus, see
US Economic-Nexus Status.
Example Request
curl https://api.recurso.dev/v1/settings/tax/nexus \
-H "Authorization: Bearer $API_KEY"
Example Response
{
"data": [
{
"state_code": "CA",
"nexus_type": "physical",
"established_at": "2026-01-01T00:00:00Z",
"created_at": "2026-01-14T09:30:00Z"
},
{
"state_code": "NY",
"nexus_type": "economic",
"established_at": "2026-04-18T00:00:00Z",
"created_at": "2026-04-18T02:00:00Z"
}
]
}
Authorizations
Tenant API key obtained from POST /auth/register or POST /v1/developer/keys.
Query Parameters
Legal entity to scope the tax config to (Multi-Entity Books). Omit for the tenant's primary entity / default config.
Response
Declared nexus states.
Show child attributes
Show child attributes
⌘I
List US sales-tax nexus states
curl --request GET \
--url https://billing.example.com/v1/settings/tax/nexus \
--header 'Authorization: Bearer <token>'import requests
url = "https://billing.example.com/v1/settings/tax/nexus"
headers = {"Authorization": "Bearer <token>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};
fetch('https://billing.example.com/v1/settings/tax/nexus', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://billing.example.com/v1/settings/tax/nexus",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://billing.example.com/v1/settings/tax/nexus"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://billing.example.com/v1/settings/tax/nexus")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://billing.example.com/v1/settings/tax/nexus")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"data": [
{
"state_code": "CA",
"nexus_type": "physical",
"established_at": "2023-11-07T05:31:56Z",
"created_at": "2023-11-07T05:31:56Z"
}
]
}{
"error": {
"code": "validation_failed",
"message": "<string>"
}
}