# Zoho Billing AI connector guide

Connect Zoho Billing data to AI agents with Combined. Explore Products, plans, addons, source setup, MCP access and read-only business queries.

Combined offers 1,125 connectors across catalog sources and connectors generated through desktop automation.

## Connect

1. Open Combined Connected Apps and select Zoho Billing.
2. Authorize the source and choose the relevant datasets.
3. Complete a first sync, then grant your agent access through the Set up or Access workspace.
4. Discover the actual source schemas before querying.

## Setup reference

- OAuth Client ID: required in the upstream source schema
- OAuth Client Secret: required in the upstream source schema
- OAuth Refresh Token: required in the upstream source schema
- Region: required in the upstream source schema

## Dataset reference

- Products; key: product_id
- plans; key: plan_code
- addons; key: addon_code
- coupons; key: coupon_code
- customers; key: customer_id
- Quotes; key: estimate_id
- invoices; key: invoice_id
- expenses; key: expense_id
- subscriptions; key: customer_id
- taxes; key: tax_id
- transactions; key: transaction_id
- recurring expenses; key: recurring_expense_id

This is the upstream connector reference, version 0.0.59. Account permissions and sync configuration determine the datasets available in your workspace.

## Agent prompt

Use Combined to analyze my Zoho Billing data.
List my granted sources, discover the datasets and describe their fields.
Look for datasets corresponding to Products, plans, addons, coupons, customers, Quotes.
Check the last successful sync and report the available date coverage.
Propose three useful questions based on the fields actually available.
For the question I choose, run read-only SQL over the complete matching dataset.
Use a bounded result; include source names, time window and query receipt.
Ask for a missing join key or metric definition instead of inventing one.

## Links

- Combined: https://www.trycombined.com/
- Setup: https://www.trycombined.com/docs/getting-started/onboarding
- MCP: https://www.trycombined.com/docs/integrations/mcp
- Pricing: https://www.trycombined.com/pricing
- Upstream source reference: https://docs.airbyte.com/integrations/sources/zoho-billing
- Full guide: https://www.trycombined.com/connectors/zoho-billing