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StableEmail

https://stableemail.dev

● healthy utility

Pay-per-send email delivery. No API keys, no accounts.

Quality grade

How grading works

B+ 84.2 / 100

Availability 40.0 / 40

Endpoint responded (HTTP 200)

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 24.2 / 40

29 distinct payers, 2069 USDC transfers in the last 30 days

Owner verified 0.0 / 3

Nobody has claimed this listing yet

Endpoint last checked 6 h ago. On-chain activity last read 11 d ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

Paid endpoints

25 resource(s) advertised by this origin.

https://stableemail.dev/api/subdomain/buy

https://stableemail.dev/api/subdomain/status

https://stableemail.dev/api/send

https://stableemail.dev/api/subdomain/send

https://stableemail.dev/api/inbox/buy

https://stableemail.dev/api/inbox/send

https://stableemail.dev/api/inbox/topup

https://stableemail.dev/api/inbox/topup/quarter

https://stableemail.dev/api/inbox/topup/year

https://stableemail.dev/api/inbox/messages

https://stableemail.dev/api/inbox/messages/read

https://stableemail.dev/api/subdomain/inbox/create

https://stableemail.dev/api/subdomain/inbox/messages

https://stableemail.dev/api/subdomain/inbox/messages/read

https://stableemail.dev/api/subdomain/signers

https://stableemail.dev/api/subdomain/update

https://stableemail.dev/api/inbox/status

https://stableemail.dev/api/inbox/list

https://stableemail.dev/api/inbox/update

https://stableemail.dev/api/inbox/cancel

https://stableemail.dev/api/inbox/messages/delete

https://stableemail.dev/api/subdomain/inbox/list

https://stableemail.dev/api/subdomain/inbox/delete

https://stableemail.dev/api/subdomain/inbox/update

https://stableemail.dev/api/subdomain/inbox/messages/delete

How to call

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

curl -X POST https://stableemail.dev/api/subdomain/buy

/.well-known/x402.json

https://stableemail.dev/.well-known/x402

Listed in

Directories this entry was found in.

x402scan paygent-discover