# Sincerely

> Sincerely is the direct mail platform for outbound, giving B2B revenue teams a measurable physical channel into their target accounts. It turns physical mail into software: audiences sync from Salesforce, HubSpot, or CSV, or Sincerely finds businesses and verified addresses from a description of the ideal customer; every piece is individually personalized and printed through professional mail partners; and results are measured against account-level holdout groups, so reported lift is real incrementality, not last-touch attribution.

Sincerely is a web application at https://trysincerely.com. Key facts:

- Formats: 4x6 and 6x9 postcards and letters, with per-piece pricing that includes print and postage. Handwritten notes and gifts exist in the product and have no live fulfillment adapter, so they cannot be mailed, carry no price, and a campaign will not launch in them.
- Personalization: each piece is written for one recipient from CRM context and researched account facts, with human approval workflows and guardrails (budgets, frequency caps, suppression lists, address-quality thresholds).
- Measurement: campaigns lock an experiment design at launch (primary outcome, measurement window, holdout percentage). Readouts report lift with confidence intervals and say plainly when a result is not statistically ready. Honest numbers or no numbers.
- Address quality: postal addresses are resolved, scored, and USPS-verified before anything prints. Suppression is immediate and global.
- Pricing: Pilot $199 one-time (100 pieces, all included in the fee, credited toward a first month). Core $250/month (100 pieces included, one live campaign at a time, up to 500 a month), Starter $500/month (250 pieces included, up to 2,000), Growth $1,500/month (750 pieces included, up to 10,000), Scale $3,500/month (2,000 pieces included, up to 25,000). Past the included pieces, per-piece prices are recorded separately from the plan fee and fall with plan size: 4x6 postcards $1.10 (Growth $1.00, Scale $0.90), 6x9 postcards $1.30 (Growth $1.20, Scale $1.10), letters $1.35 (Growth $1.25, Scale $1.15). Address verification $0.06 per contact on every plan. Per-piece prices include print and postage, and apply wherever a piece mails. Included pieces reset monthly and do not roll over; the pilot's 100 are bought once. When a plan's monthly cap is reached, live campaigns pause rather than print past it. No per-seat pricing.
- Starting free: a new workspace is on an audit plan. Connecting a CRM, running the mailability audit, building the brand kit, laying out designs, and generating drafts all happen without a card. Nothing can be mailed until a plan is chosen.
- Recipients can be suppressed on request, immediately and across all campaigns.

## Pages

Append ".md" to any page URL, or send `Accept: text/markdown`, to receive the raw markdown source.
The home page is https://trysincerely.com/index.md. The markdown is the same copy without the page
furniture; prefer it over parsing the HTML.

- [Home](https://trysincerely.com/): product overview, how personalization and measurement work. Markdown: https://trysincerely.com/index.md
- [Pricing](https://trysincerely.com/pricing): plans, per-piece costs, monthly piece allowances, FAQ. Markdown: https://trysincerely.com/pricing.md
- [Campaigns](https://trysincerely.com/campaigns): the campaign playbooks and what each is for. Markdown: https://trysincerely.com/campaigns.md
- [Formats](https://trysincerely.com/formats): postcards and letters at published per-piece prices, printed through Lob, with handwritten notes and gifts named as roadmap rather than something buyable. Markdown: https://trysincerely.com/formats.md
- [Measurement](https://trysincerely.com/measurement): QR scans, CRM matchback, and account-level holdouts, with every result labeled as evidence or inference. Markdown: https://trysincerely.com/measurement.md
- [Writing](https://trysincerely.com/writing): how pieces are drafted from account research, every fact pinned to a source and approved by a rep before it prints. Markdown: https://trysincerely.com/writing.md
- [Integrations](https://trysincerely.com/integrations): Salesforce and HubSpot sync in, rep follow-up tasks come out timed to delivery confirmation, and a CSV or a description of your ideal customer works without a CRM. Markdown: https://trysincerely.com/integrations.md
- [Operations](https://trysincerely.com/operations): address resolution, mailability, approvals, budgets, fulfillment, and tracking on every piece. Markdown: https://trysincerely.com/operations.md
- [Build vs buy](https://trysincerely.com/vs-lob): why Sincerely runs on Lob rather than competing with it, what a team still owns if it integrates a print API directly, and when using Lob directly is the better choice. Markdown: https://trysincerely.com/vs-lob.md
- [Holdout testing guide](https://trysincerely.com/holdout-testing): how to design an account-level holdout for direct mail — randomization, intention to treat, statistical power, minimum detectable effect, and how to read a lift result honestly. Markdown: https://trysincerely.com/holdout-testing.md
- [Platform comparison](https://trysincerely.com/vs-gifting-platforms): how Sendoso, Reachdesk, Postal and PFL report on direct mail and gifting, why "influenced pipeline" is credit assignment rather than causation, and where each of those platforms is the better choice. Markdown: https://trysincerely.com/vs-gifting-platforms.md
- [Does direct mail work for B2B?](https://trysincerely.com/does-direct-mail-work): a review of the published evidence, which finds essentially no randomised causal research on B2B direct mail; what the industry cites instead and why it does not answer the question. Markdown: https://trysincerely.com/does-direct-mail-work.md
- [Glossary](https://trysincerely.com/glossary): plain definitions of the measurement, data-quality, production, and program terms used across direct mail. Markdown: https://trysincerely.com/glossary.md
- [Privacy policy](https://trysincerely.com/privacy): data handling, including CRM data and mail recipient information. Markdown: https://trysincerely.com/privacy.md
- [Terms of service](https://trysincerely.com/terms). Markdown: https://trysincerely.com/terms.md

## Contact

- Email: adam@trysincerely.com