Now in private beta — first 50 customers.
Print and mail, as an API.
One HTTP endpoint. Six lifecycle events. A carrier network that handles the unsexy infrastructure of physical mail so your team doesn't have to.
Product
One endpoint. Six lifecycle events.
Every piece of mail is a state machine. POST a document, an address, and a class of service. We print it, mail it, track it, and emit webhooks at every transition so your application always knows where the letter is.
01created
Envelope accepted. Document validated, address normalised, billed.
02rendered
PDF rasterised at the assigned printer. Pre-flight checks pass.
03printed
Physical print confirmed by the printer station.
04inserted
Sealed into the right envelope, weighed, postage applied.
05manifested
Handed to the carrier with a tracking number.
06delivered
USPS Informed Visibility confirms in-mailbox.
Features
A dashboard built for the people watching deliveries.
The unsexy infrastructure of mail, handled. Built for the regulated industries that send the most paper.
- One HTTP endpointPOST /v1/envelopes with a PDF, address, and class of service. We do the rest.
- Six lifecycle webhooksSigned events for created, rendered, printed, inserted, manifested, delivered. HMAC verified, replayable.
- Operator dashboardLive queue, batch reprints, settlement reports. Built for the team that has to answer "where's my letter?"
- SOC-friendlyStorage encrypted at rest, full audit log on every state transition, role-based access for ops staff.
- Address validatedSmartyStreets normalisation in-line. Bad addresses get rejected at job creation, not at the print station.
- Five minutes to first letterSign up, paste an API key, send your first letter. Track it through to delivery in the same UI.
Network
Carrier partners on every coast.
Postly routes each piece to the partner closest to the recipient. Capacity expands as volume does.
DP
Demo PressActive
Los Angeles, CA
Pricing
Pricing that scales with your volume
Postage at cost plus a flat handling charge per piece. No platform fee, no contracts. Annual reservations get a discounted unit price.
Starter
First-class, single-page, #10 envelope. Test mode included.
$0.79
/letter
- Up to 1,000 letters / month
- All six lifecycle webhooks
- SmartyStreets address validation
- Email support, 48-hour response
Volume
Most popular1,000–50,000 letters / month. Multi-page, certified, signed, return-receipt.
$0.59
/letter
- Everything in Starter
- Certified, signed, return-receipt
- SLA on lifecycle event latency
- Branded return envelope
- Priority support, 24-hour response
Enterprise
50,000+ letters / month. Reserved capacity at named print partners.
Custom
- Everything in Volume
- Reserved printer capacity
- Custom contracts & DPA
- Onboarding engineer
- 1-hour, dedicated support response
Docs
Send your first letter in five minutes.
A POST, an address, a PDF. We hand back a job ID and start delivering events. The full reference covers webhooks, idempotency, batch operations, and address validation.
curl
curl https://postly.now/v1/jobs \
-H "Authorization: Bearer pk_live_..." \
-F "document=@invoice.pdf" \
-F 'to={"name":"Jane Doe","line1":"123 Main St", \
"city":"Austin","state":"TX","zip":"78701"}' \
-F "service=first_class"
# => { "id": "job_01J3...", "status": "created" }Ready to ship paper?
Registration is the waitlist. We onboard customers in the order they sign up, starting now.