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Agent Email Check

https://mail.halowerk.com/email

● healthy a2a-agent

Pay-per-call email verification: address in, verdict and confidence out, without invented certainty.

Quality grade

How grading works

C+ 60.0 / 100

Availability 40.0 / 40

Endpoint responded (HTTP 402)

Payability 20.0 / 20

✓ Answers a real HTTP 402 challenge
✓ Publishes a /.well-known/x402 descriptor
✓ Payment address on record
✓ Settlement network declared
✓ Price declared

Demand 0.0 / 40

Payment address on record, not yet queried on-chain

Owner verified 0.0 / 3

Nobody has claimed this listing yet

Endpoint last checked 10 h ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

Paid endpoints

2 resource(s) advertised by this origin.

POST https://mail.halowerk.com/email

Check one email address: syntax, mail route, MX hosts, disposable provider, role account, typo suggestion, catch-all estimate and a verdict with a confidence between 0 and 1.

POST https://mail.halowerk.com/email/batch

Check up to 100 email addresses in one paid call, billed per address.

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -sS -i -X POST https://mail.halowerk.com/email  # expect HTTP 402 Payment Required (about 0.001 USDC/call)

/.well-known/x402.json

https://mail.halowerk.com/.well-known/x402

Listed in

Directories this entry was found in.

a2a x402