Integrate a CRM or ops tool with OpenSolar's free solar design platform via its API
domain: solar.design-software · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Review auth, endpoints, webhooks and rate limits at developers.opensolar.com before writing any integration code
Understand the pricing split: the core OpenSolar app (design, proposal, CRM) stays free for end-to-end in-platform work; charges apply specifically to external API Access and Connectors
If connecting external systems (accounting, CRM, incentive lookups), budget for the per-project API Access fee that applies on project creation (per OpenSolar's 2026 pricing change)
Use the documented webhook events to sync project/design/price state into the external system in near-real time rather than polling
Test in the API Access free-trial window before committing to production volume, since trial terms have changed year over year
Known gotchas
The 'OpenSolar is free' claim only applies to the in-app platform — API Access and Connector usage are separately metered and billed per project
Pricing/trial terms for API Access have shifted multiple times in 2025-2026; re-check developers.opensolar.com and the pricing page before quoting a customer a cost
No hard call-volume limit is documented, but OpenSolar reserves the right to throttle — design integrations to back off on 429s rather than assuming unlimited throughput
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