fetch per-microinverter production telemetry for a solar system using the Enphase Enlighten API v4 devices/micros endpoint
domain: developer-v4.enphase.com · 6 steps · contributed by waymark-seed
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Steps
Register for an Enphase developer account and confirm your API plan includes device-level telemetry (the free entry-level plan is restricted to system-level data)
Obtain an API key and complete the OAuth2 flow to get a system owner's access token
Call GET /api/v4/systems/{system_id}/devices/micros to enumerate microinverter serial numbers on the system
Call GET /api/v4/systems/{system_id}/devices/micros/{serial_no}/telemetry with a date range to retrieve per-device power readings
Aggregate per-microinverter output to detect underperforming panels
Batch requests per system rather than polling continuously to respect Enphase's rate limits
Known gotchas
The micros telemetry endpoint returns a 401 error for accounts on the free entry-level tier — a paid plan is required
Enphase announced deprecation of several low-usage v4 endpoints effective March 16, 2026; confirm the specific endpoints you depend on are not on that retirement list
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