StableEmail

Social

https://apiserver.mpprouter.dev/v1/services/stableemail

Pay-per-send email delivery, forwarding inboxes, and custom subdomains — no API keys or accounts.

Provider site API docs →Live catalog →

Endpoints

Method

URL

Description

Price

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/send

Send email from relay address

$0.02

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/subdomain/buy

Purchase a custom email subdomain

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/subdomain/send

Send email from custom subdomain

$0.005

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/subdomain/signers

Add or remove authorized wallet signers

—

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/subdomain/update

Update subdomain settings (catch-all forwarding)

—

GET

https://apiserver.mpprouter.dev/v1/services/stableemail/api/subdomain/status

Check DNS/SES verification status

—

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/subdomain/inbox/create

Create inbox on subdomain

$0.25

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/subdomain/inbox/list

List subdomain inboxes

—

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/subdomain/inbox/update

Update subdomain inbox settings

—

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/subdomain/inbox/delete

Delete inbox from subdomain

—

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/subdomain/inbox/messages

List subdomain inbox messages

$0.001

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/subdomain/inbox/messages/read

Read a subdomain inbox message

$0.001

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/subdomain/inbox/messages/delete

Delete a subdomain inbox message

—

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/inbox/buy

Buy a forwarding inbox (30 days)

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/inbox/topup

Extend inbox 30 days

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/inbox/topup/quarter

Extend inbox 90 days (save 17%)

$2.5

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/inbox/topup/year

Extend inbox 365 days (save 34%)

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/inbox/send

Send email from inbox address

$0.005

GET

https://apiserver.mpprouter.dev/v1/services/stableemail/api/inbox/status

Check inbox status and expiry

—

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/inbox/update

Update inbox settings

—

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/inbox/cancel

Cancel inbox and get pro-rata refund

—

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/inbox/messages

List messages in inbox

$0.001

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/inbox/messages/read

Read a single inbox message

$0.001

POST

https://apiserver.mpprouter.dev/v1/services/stableemail/api/inbox/messages/delete

Delete an inbox message

—

Code sample

curl -X POST "https://apiserver.mpprouter.dev/v1/services/stableemail/api/send" \
  -H "Content-Type: application/json" \
  -d '{}'
# returns 402 Payment Required — pay with the stellar-agent-wallet skill (mppx / x402)

Verification

Not yet verified with a real paid call through the production Router. This service is still listed because it is reachable via the catalog — check back as we expand the weekly verification sweep.