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POST
/
verify
Flow402 Verify
curl --request POST \
  --url https://api.flow402.net/verify \
  --header 'Content-Type: application/json' \
  --data '
{
  "from": "<string>",
  "to": "<string>",
  "amount": 123,
  "network": "base",
  "scheme": "exact"
}
'
import requests

url = "https://api.flow402.net/verify"

payload = {
"from": "<string>",
"to": "<string>",
"amount": 123,
"network": "base",
"scheme": "exact"
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)
const options = {
method: 'POST',
headers: {'Content-Type': 'application/json'},
body: JSON.stringify({
from: '<string>',
to: '<string>',
amount: 123,
network: 'base',
scheme: 'exact'
})
};

fetch('https://api.flow402.net/verify', 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.flow402.net/verify",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'from' => '<string>',
'to' => '<string>',
'amount' => 123,
'network' => 'base',
'scheme' => 'exact'
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json"
],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}
package main

import (
"fmt"
"strings"
"net/http"
"io"
)

func main() {

url := "https://api.flow402.net/verify"

payload := strings.NewReader("{\n \"from\": \"<string>\",\n \"to\": \"<string>\",\n \"amount\": 123,\n \"network\": \"base\",\n \"scheme\": \"exact\"\n}")

req, _ := http.NewRequest("POST", url, payload)

req.Header.Add("Content-Type", "application/json")

res, _ := http.DefaultClient.Do(req)

defer res.Body.Close()
body, _ := io.ReadAll(res.Body)

fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.post("https://api.flow402.net/verify")
.header("Content-Type", "application/json")
.body("{\n \"from\": \"<string>\",\n \"to\": \"<string>\",\n \"amount\": 123,\n \"network\": \"base\",\n \"scheme\": \"exact\"\n}")
.asString();
require 'uri'
require 'net/http'

url = URI("https://api.flow402.net/verify")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n \"from\": \"<string>\",\n \"to\": \"<string>\",\n \"amount\": 123,\n \"network\": \"base\",\n \"scheme\": \"exact\"\n}"

response = http.request(request)
puts response.read_body
{
  "verified": true,
  "intentId": "<string>",
  "nonce": "<string>",
  "expiresAt": "2023-11-07T05:31:56Z"
}
{
"detail": [
{
"loc": [
"<string>"
],
"msg": "<string>",
"type": "<string>"
}
]
}

Body

application/json
from
string
required

Payer USDC address

Example:

"0x...payerAddress"

to
string
required

Merchant USDC address

Example:

"0x...merchantAddress"

amount
required
network
string
default:base
required
Examples:

"base"

"base-sepolia"

"arbitrum-one"

"arbitrum-sepolia"

"optimism"

"optimism-sepolia"

"solana"

"solana-devnet"

scheme
string
default:exact
required
Examples:

"exact"

"transfer"

Response

Successful Response

verified
boolean
Example:

true

intentId
string
Example:

"pi_..."

nonce
string
Example:

"uniq-generated-string-from-flow402"

expiresAt
string<date-time>