Reverse lookup: which multisigs does this address sign on
curl --request GET \
--url https://api.range.org/v2/multisig/memberships \
--header 'X-API-KEY: <api-key>'import requests
url = "https://api.range.org/v2/multisig/memberships"
headers = {"X-API-KEY": "<api-key>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {'X-API-KEY': '<api-key>'}};
fetch('https://api.range.org/v2/multisig/memberships', 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://api.range.org/v2/multisig/memberships",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"X-API-KEY: <api-key>"
],
]);
$response = curl_exec($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://api.range.org/v2/multisig/memberships"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("X-API-KEY", "<api-key>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://api.range.org/v2/multisig/memberships")
.header("X-API-KEY", "<api-key>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.range.org/v2/multisig/memberships")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["X-API-KEY"] = '<api-key>'
response = http.request(request)
puts response.read_body{
"items": [
{
"address": "0xfF501B324DC6d78dC9F983f140B9211c3EdB4dc7",
"network": "ethereum",
"provider": "safe",
"threshold": 2,
"member_count": 5
}
]
}Transfers & Transactions
Reverse lookup: which multisigs does this address sign on
Given a signer address, returns the Safe multisigs it co-signs, across every EVM chain Range’s Safe integration supports (or a single network if given). Squads/Altitude/Realms are not covered yet: their membership lists live inside variable-length on-chain state with no cheap reverse index, unlike Safe’s own owners API.
GET
/
v2
/
multisig
/
memberships
Reverse lookup: which multisigs does this address sign on
curl --request GET \
--url https://api.range.org/v2/multisig/memberships \
--header 'X-API-KEY: <api-key>'import requests
url = "https://api.range.org/v2/multisig/memberships"
headers = {"X-API-KEY": "<api-key>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {'X-API-KEY': '<api-key>'}};
fetch('https://api.range.org/v2/multisig/memberships', 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://api.range.org/v2/multisig/memberships",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"X-API-KEY: <api-key>"
],
]);
$response = curl_exec($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://api.range.org/v2/multisig/memberships"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("X-API-KEY", "<api-key>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://api.range.org/v2/multisig/memberships")
.header("X-API-KEY", "<api-key>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.range.org/v2/multisig/memberships")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["X-API-KEY"] = '<api-key>'
response = http.request(request)
puts response.read_body{
"items": [
{
"address": "0xfF501B324DC6d78dC9F983f140B9211c3EdB4dc7",
"network": "ethereum",
"provider": "safe",
"threshold": 2,
"member_count": 5
}
]
}Authorizations
Authorization method required to allow user to access the api endpoints.
Query Parameters
Signer address to reverse-look-up multisig memberships for.
Example:
"0x4d1941745e00808b1B5aA361c22feb4747e4E30"
Restrict the reverse lookup to a single EVM chain. Omit to check every chain the Safe integration supports.
Available options:
ethereum, arbitrum, base, optimism, polygon, bnb Example:
"ethereum"
Response
200 - application/json
Show child attributes
Show child attributes
Last modified on September 9, 2026
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