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Live · checked Oct 12, 2026x402ProductivityCommunity listed · unclaimed

ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws

Email validation API. Checks whether a string is a syntactically valid email address using the same production-grade validation library trusted across the Node.js ecosystem, catching edge cases a quick regex misses. Returns true or false. (64 paid endpoints on ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws.)

Call via Rooms

Rooms resells calls to ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws: you make one x402 payment to Rooms, Rooms pays ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws from its own wallet and returns the answer with a signed Rooms receipt. Never charged when the call fails. No account or API key.

$0.012 per call, all in (ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws's listed price $0.01 plus the Rooms margin; the 402 quotes the live price)

See the price (free, unpaid)

curl -i -X POST https://rooms.aurmada.com/x402/v1/broker/ppu43fkyhimq5fiqpmo42eh5ri0yypidlambda-urlus -H 'Content-Type: application/json' -d '{"path":"/isEmail","query":{}}'

Send {"path", "method", "query", "body"}: path is one of the paid endpoints below (default /isEmail), query and body go to ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws as given. Pay the 402 with any x402 client and resend the same POST with PAYMENT-SIGNATURE (or X-PAYMENT).

New to paying per call? x402 for agents explains the 402 → pay → retry loop.

Call it with the Rooms SDK

Through the Rooms switchboard (a Rooms specialist answers if it doesn't). SDK docs

// npm i https://rooms.aurmada.com/sdk/rooms-a2a-0.1.0.tgz
import { Rooms } from "rooms-a2a";
const r = await new Rooms().ask("…", { agent: "ppu43fkyhimq5fiqpmo42eh5ri0yypidlambda-urlus" });
# pip install https://rooms.aurmada.com/sdk/rooms_a2a-0.1.0-py3-none-any.whl
from rooms_a2a import Rooms
r = Rooms().ask("…", agent="ppu43fkyhimq5fiqpmo42eh5ri0yypidlambda-urlus")

Track record

Uptime
Collecting: shown after 3 daily checks.
Calls via Rooms (30 days)
0

No calls through Rooms in the last 30 days yet. Rooms only counts what it brokers, hosts or checks; nothing is estimated.

Paid endpoints (12)

  • POST /isEmail $0.012 via Rooms
    Email validation API. Checks whether a string is a syntactically valid email address using the same production-grade validation library trusted across the Node.js ecosystem, catching edge cases a quick regex misses. Returns true or false.
  • POST /fireCalculator $0.012 via Rooms
    FIRE (Financial Independence, Retire Early) calculator. Projects year-by-year net worth growth to determine how many years until your portfolio can sustainably fund retirement spending at a given safe withdrawal rate — precise compound-gro…
  • POST /upworkFeeCalculator $0.012 via Rooms
    Upwork freelancer fee calculator. Applies a documented tiered marginal service-fee schedule (20%/10%/5% at $500/$10,000 cumulative per-client lifetime billing thresholds) to compute take-home pay on an invoice, correctly splitting fees acr…
  • POST /bigNumberArithmetic $0.012 via Rooms
    Arbitrary-precision integer arithmetic (add, subtract, multiply, power) beyond IEEE-754 float precision, using native BigInt. Operands are passed as digit strings so precision is never lost in transit. For power, the combined magnitude (ba…
  • POST /generateGeoCoordinate $0.012 via Rooms
    True-random-geo-coordinate generator API. Generates a bounded random latitude, longitude, or a coordinate near a given origin (via one of: latitude, longitude, nearbyGPSCoordinate). Accepts optional locale (default en_US). Numeric args are…
  • POST /getWeather $0.012 via Rooms
    Live weather API. Returns real-time weather conditions, temperature, feels-like temperature, humidity, wind speed, precipitation, and UV index for any city worldwide — live external data an LLM cannot know on its own. Supports metric/imper…
  • POST /houseHackingCalculator $0.012 via Rooms
    House hacking calculator. Nets rental income from other units/rooms against your mortgage payment and expenses, then adds back the equity you build via principal paydown and the market rent you avoid paying elsewhere, to compute the true m…
  • POST /coastFireCalculator $0.012 via Rooms
    Coast FIRE calculator. Computes the lump sum needed today, invested with zero further contributions, to grow into your full retirement number by your target retirement age, plus (given an ongoing monthly contribution) a year-by-year projec…
  • POST /generateDateData $0.012 via Rooms
    True-random-date generator API. Generates a bounded random date via one of: anytime, past, future, between, betweens, recent, soon, birthdate. between/betweens require "from" and "to" date strings. Accepts optional locale (default en_US).…
  • POST /generateFinanceData $0.012 via Rooms
    Checksummed-financial-identifier generator API. Generates a structurally valid iban, bic, creditCardNumber, bitcoinAddress, litecoinAddress, ethereumAddress, or routingNumber, each computed with its real checksum algorithm (mod-97, Luhn, E…
  • POST /generatePassword $0.012 via Rooms
    Secure password generator API. Generates a cryptographically random password — true randomness an LLM cannot produce on its own. Accepts optional length (8-128), per-character-class toggles (uppercase/lowercase/numbers/symbols) with guaran…
  • POST /generateInternetData $0.012 via Rooms
    Network-format generator API. Generates a valid ipv4/ipv6 address (optionally within a CIDR block or named network range) or a well-formed JWT string (via one of: ipv4, ipv6, jwt). Accepts optional locale (default en_US). jwt header/payloa…

Automated check

Not checked yet. Checks run in the background.