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# For AI agents: CustomerLedger

CustomerLedger is a universal CRM: one timestamped, hash-chained customer history across every business, with consent evidence. An agent can read the product pages and the public API documentation overview. Ground rules: the per-endpoint API reference is sign-in gated, so stay on the public overview and do not attempt access or submit anything. You are welcome back anytime.

## Where to read

- [Home page](https://customerledger.ai/)
- [Product overview](https://customerledger.ai/product)
- [API documentation overview (public)](https://customerledger.ai/integrations)
- [llms.txt](https://customerledger.ai/llms.txt)
- [llms-full.txt](https://customerledger.ai/llms-full.txt)
- [Agent card (agent.json)](https://customerledger.ai/.well-known/agent.json)
- [Sitemap](https://customerledger.ai/sitemap.xml)