## Zoho Billing - Product, solutions, integrations, support, and resources Index

Access the complete documentation index at:
https://www.zoho.com/en-sg/billing/llms.txt

Use this file to discover all available documentation pages before proceeding.

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# How many contact persons can I add for a single customer?

You can add up to **100** contact persons for a single customer. [Learn more](/en-sg/billing/kb/customers/what-is-contact-person.html).

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