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Seam

The API to the Physical World.

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Seam is an API and dashboard for connecting applications and AI agents to smart devices across brands, including locks, thermostats, sensors, and cameras. It addresses the difficulty of integrating disparate device protocols by providing a single interface for issuing access credentials, unlocking doors, setting thermostat temperatures, monitoring noise levels, and receiving device events via webhooks.

Core capabilities include Access Grants for PIN codes and mobile keys, a Thermostats API for temperature and mode control, Noise Monitoring with configurable thresholds, and Camera Events with motion alerts and media retrieval. Seam Components provide device management UI for web projects, compatible with frameworks such as React. Coding agents can connect via MCP, and a CLI wizard supports project setup. The integrations catalog lists supported brands across access, energy, and monitoring categories.

Seam is aimed at developers and businesses building products for vacation rentals, hospitality, multifamily housing, gyms, coworking spaces, and self-storage. Pricing includes a free plan with full API access and webhooks, per-device paid tiers with action limits or unlimited actions, and custom enterprise agreements. Support plans range from included email help to dedicated Slack channels and response-time SLAs.

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