Docs links grid

Split section listing six error families with codes, stable types, and fixes beside a mockup response body and a short list of guarantees.

Install, authenticate, send. The whole quickstart as three cards with real code panels.

Published rate limits by plan beside the response headers that expose limit state.

Nine SDK cards with install commands and honest Official or Community badges.

Two column reliability section pairing audited uptime stats and a status page link with a panel of 45 day uptime bar strips and a legend.

Two column sandbox section with test mode proof points and keys beside a panel of magic recipient addresses that reproduce each failure mode.

The complete webhook reference as a ruled table, seven events with payload sizes.

Five dated API changes with type tags and the 180 day breaking change policy up front.

A developer hero with the pitch beside a terminal running the first API call and its response.

A slim band selling the CLI, one brew command with a copy button and three proof points.

Centered developer community section with three channel cards, each carrying a stat, a description, and a join link, closed by an email line.

Accordion beside a bordered card of documentation, community, and support links.