mailthisforme.com

What It Is

MailThisForMe is a developer tool for creating physical mail jobs via a browser or API, centered on Letter-size PDF letters. Users can upload PDFs in the dashboard, or submit jobs from software systems via POST /v1/mail/send, then check status, cancel queued jobs, or receive Webhooks. Note that it is explicitly in public access readiness / invite-only beta: the API can be used for integration reviews and smoke testing, but payments, USPS verification, printing, postage, and actual mailing fulfillment may still be limited.

Core Features and API

The product supports return-address templates, PDF validation, quotes, balance holds, mail job status queries, ledger transaction queries, and signed Webhooks. The API uses a Bearer API Key; the raw key is shown only once and stored as a hash. Mail creation requires an idempotency key to prevent duplicate jobs caused by retries. PDF requirements are fairly strict: PDF only, US Letter 8.5 x 11, up to 10 pages and 10 MB. A4, legal-size, encrypted, corrupted, or mixed-size files will be rejected. The documentation also lists common error codes such as 401, 402, 403, 409, and 422, and provides an OpenAPI YAML file for client generation or monitoring integration.

Pricing and Commercial Status

Current pricing is clear: USD 2.25 for 1–4 pages, and USD 4.50 for 5–10 pages. However, the payment system is not fully open yet; the text mentions live payments disabled/gated, meaning users may need an administrator to add account credit. Cancellations, rejections, failures, refunds, and disputes mostly depend on manual review. “Mailed” only means the item has been handed off to USPS, not that it has been delivered, and standard mail may not include tracking.

Pros, Cons, and Who It’s For

The main advantage is that the API design is relatively engineering-friendly: it covers consistent validation rules across browser and API flows, idempotency, duplicate-charge prevention, private file storage, Webhook signatures, and OpenAPI support. The downsides are also clear: it is still an invite-only beta, the production fulfillment chain, payments, and USPS address verification have not been finalized, and it only supports US Letter letters with fairly narrow page-count and file-size limits. It is suitable for developers, startups, and operations-tool integrators evaluating a workflow for “automatically sending physical letters from SaaS.” It is not suitable for immediately running high-volume, strong-SLA production mailing operations.

China Access and Alternatives

The crawled text does not provide information on network connectivity from mainland China, payment-method availability, or local compliance, so China accessibility is unknown. For more mature alternatives, compare mail API services such as Lob, PostGrid, and Click2Mail. For physical delivery within mainland China, users may also need to look for local print-and-mail outsourcing providers or consider electronic signature/notification alternatives.