Crane Ledger
Headless accounting API—REST, GraphQL & MCP for AI builders
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JER

Crane Ledger - Headless accounting API—REST, GraphQL & MCP for AI builders

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Crane Ledger is an API-first accounting platform built for AI builders. Pure headless — no UI attached — so you build exactly the financial experience your users need. Three protocols: REST for accounting ops, GraphQL for complex financial queries, and MCP Protocol for AI-native accounting with Claude and other assistants. Replace/extend QuickBooks, build niche accounting systems, manage multi-entity financials, or embed accounting in your SaaS. Credit-based pricing.

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I was tired of paying $80 bucks a month per entity to QuickBooks or Puzzle, and also, as a software dev that uses AI, building user interfaces is so fast now; adding authentication is easy; what's complex is the back end. So I wanted to build something that anyone could spin up an accounting system very fast. It's very affordable, credit-based, no monthly commitments. Has an MCP server, has GraphQL, has a REST API. Pick your tech, connect to your AI agent, and build your interface.