Little Green Light Nonprofit CRM API
Little Green Light (LGL) REST API for small to mid-sized nonprofit donor management. Enables AI agents to manage constituent records and giving history, log gifts and pledges, track appeals and campaigns, manage event attendees, query donation data for reporting, and sync constituent information with external systems.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Nonprofit constituent and giving data. PCI-DSS. API key only, no scopes. US-only data residency.
⚡ Reliability
Best When
A small or growing nonprofit using Little Green Light wants AI agents to keep donor records current, log gifts automatically, and maintain accurate constituent data for fundraising campaigns.
Avoid When
PRIVACY: Constituent personal data and giving records are sensitive. LGL is designed for small nonprofits — complex automation at scale may exceed platform capabilities.
Use Cases
- • Syncing donor records and giving history from data integration agents
- • Logging gift and pledge records from donation processing agents
- • Querying constituent data for appeal segmentation from fundraising agents
- • Managing event registrations and attendee records from event management agents
Not For
- • Large enterprise nonprofits requiring advanced workflow automation
- • Grant management without constituent relationship components
- • For-profit CRM use cases without nonprofit fundraising focus
Interface
Authentication
Little Green Light uses API key authentication via Bearer token in Authorization header. API keys are account-scoped with full access. No granular scope control. Rate limited to protect shared infrastructure.
Pricing
Small business SaaS for nonprofits. Very affordable flat pricing model. Founded 2010. Popular with smaller nonprofits and startup organizations.
Agent Metadata
Known Gotchas
- ⚠ PRIVACY: Constituent personal and giving data requires careful handling
- ⚠ No public MCP server — REST API with API key Bearer token
- ⚠ No webhooks — requires polling for any real-time integration
- ⚠ No granular scopes — API key grants full account access
- ⚠ Platform designed for small nonprofits — aggressive automation may stress shared infrastructure
- ⚠ US data residency only — verify for international nonprofit operations
Alternatives
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Scores are editorial opinions as of 2026-03-07.