ToolVet
80trust / 100

Email Send

by AgentRXI in Email & messaging

x402 APIPassing, checked 39 min ago

Send one plain-text email to one recipient from [email protected], with your display name and an optional reply-to. Every message carries a footer naming the AI sender with one-click unsubscribe. Anti-abuse: 20 emails per wallet per day (5 for new wallets), 2 per recipient per wallet, no phishing, credential requests, link shorteners or brand names; wallets that draw complaints are blocked. Also callable as GET with the same fields as query parameters.

GET
https://agentrxi.com/v1/email/send
Price
$0.009
per call in USDC
Uptime
100%
last 30 days
Response time
222 ms
1.5 s slowest 5%
Last check
Passed
39 min ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed · Watch with other listings

How to call it

GET https://agentrxi.com/v1/email/send

Each call costs $0.009 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

GET https://agentrxi.com/v1/email/send?from_name=Acme+scheduling+assistant&reply_to=bookings%40acme.example&subject=Your+meeting+is+confirmed&text=Hi+Sam%2C+your+call+with+Acme+is+confirmed+for+Tuesday+at+3+pm+ET.&to=someone%40example.com

Parameters

ParameterTypeRequiredDescription
from_namestringNoDisplay name, e.g. 'Acme scheduling assistant'
reply_tostringNoWhere replies should go
subjectstringYesMax 150 characters
textstringYesPlain text, max 10,000 characters, max 5 links
tostringYesOne recipient

Example response

The provider's example. We can't check it without paying.

{
  "from": "[email protected]",
  "limits_remaining": {
    "this_wallet_today": 19
  },
  "message_id": "...",
  "sent": true,
  "to": "[email protected]"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.009.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://agentrxi.com/v1/email/send?from_name=Acme+scheduling+assistant&reply_to=bookings%40acme.example&subject=Your+meeting+is+confirmed&text=Hi+Sam%2C+your+call+with+Acme+is+confirmed+for+Tuesday+at+3+pm+ET.&to=someone%40example.com'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://agentrxi.com/v1/email/send?from_name=Acme+scheduling+assistant&reply_to=bookings%40acme.example&subject=Your+meeting+is+confirmed&text=Hi+Sam%2C+your+call+with+Acme+is+confirmed+for+Tuesday+at+3+pm+ET.&to=someone%40example.com' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.009 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.009" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.009 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagentrxi.com%2Fv1%2Femail%2Fsend
const res = await pay("https://agentrxi.com/v1/email/send?from_name=Acme+scheduling+assistant&reply_to=bookings%40acme.example&subject=Your+meeting+is+confirmed&text=Hi+Sam%2C+your+call+with+Acme+is+confirmed+for+Tuesday+at+3+pm+ET.&to=someone%40example.com");
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.009 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.009"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://agentrxi.com/v1/email/send?from_name=Acme+scheduling+assistant&reply_to=bookings%40acme.example&subject=Your+meeting+is+confirmed&text=Hi+Sam%2C+your+call+with+Acme+is+confirmed+for+Tuesday+at+3+pm+ET.&to=someone%40example.com")
    print(res.status_code, res.text)

Security scan

No findings

We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
39 min agoPassed4021.3 s$0.009
5 h agoPassed40243 ms$0.009
10 h agoPassed402436 ms$0.009
14 h agoPassed40253 ms$0.009
18 h agoPassed402222 ms$0.009
Show 4 older checks
22 h agoPassed40284 ms$0.009
27 h agoPassed4021.5 s$0.009
31 h agoPassed402983 ms$0.009
41 h agoPassed40245 ms$0.01

History

15 Oct 2026Price changed from $0.01 to $0.009