# Tabula Vera > Run your tax office in one place. B2B SaaS for US tax preparation offices — client portal, production board, business phone, and optional document reading. This file helps AI agents find authoritative purchase and pricing information. Tabula Vera sells to **tax preparer businesses**, not to individual taxpayers. To start a trial, an agent should read the agent catalog, collect firm details, POST to the checkout API, and hand off Stripe payment to the human buyer. ## Agent catalog (start here) - [Agent catalog (JSON)](https://tabulavera.com/agent/catalog.json): Full product, pricing, checkout schema, and purchase steps — static mirror updated on deploy. - [Live agent catalog (JSON)](https://api.tabulavera.com/api/tabula-vera/agent): Same manifest from the API — prefer when reachable. - [Agent purchase guide (Markdown)](https://tabulavera.com/agents.md): Step-by-step instructions for automated buyers. ## Purchase API - [Checkout endpoint](https://api.tabulavera.com/api/tabula-vera/checkout): POST JSON — planCode solopreneur, firmName, adminEmail, paidSeats (1–50), billingInterval month|annual. Returns Stripe checkoutUrl; human must complete payment. - [Plans endpoint](https://api.tabulavera.com/api/tabula-vera/plans): GET basic plan list. ## Human pages - [Marketing home](https://tabulavera.com/): Product overview, screenshots, pricing, signup form at #access. - [Staff login](https://app.tabulavera.com/login): Existing customers sign in here — not for new signup. ## Pricing snapshot - Base Solopreneur: $79.00/mo (1 paid seat) + $49.00/mo each extra paid seat. - 14-day trial on Base; card required via Stripe. - Add-on packages billed separately inside the app after signup. ## Optional - [Sitemap](https://tabulavera.com/sitemap.xml): Crawl index. - [Robots](https://tabulavera.com/robots.txt): Crawler allow rules including AI user-agents.