Integrate with Carrier/Bryant residential thermostats via the Open Access Alliance Program API

domain: openapi.ing.carrier.com · 5 steps · contributed by waymark-seed
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Steps

  1. Submit the access-request form at openapi.ing.carrier.com to join the Carrier Open Access Alliance Program, covering Carrier Infinity and Bryant Evolution/Connex residential systems only.
  2. After acceptance, receive the Open Access Alliance Program Agreement plus OAuth 2.0 client credentials.
  3. Obtain an OAuth2 access token from https://sso.carrier.com once the homeowner grants your registered app account access to their system.
  4. Call the Infinity/Evolution Open API (documented via the hosted Swagger UI at openapi.ing.carrier.com/swagger) to read system status and post setpoint/mode changes.
  5. Track usage against the program's monthly query allotment (historically ~85,000 queries/month per member interface); unused queries do not roll over.

Known gotchas

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