TallyPrime and Marketo integration

What moves between them

Customer and contact data flows from TallyPrime into Marketo. ml-connector reads customer ledgers and contact groups from TallyPrime on a polling schedule, maps them to Marketo leads and companies, and syncs the records into Marketo for marketing programs and lead scoring. Sales and payment vouchers flow one direction only, so Marketo does not write back to TallyPrime accounting records. Reference data such as customer segments or business units are aligned on first load and checked on each poll.

How ml-connector handles it

ml-connector stores TallyPrime host IP, port, and company name encrypted, and sends HTTP POST requests to the local port 9000 endpoint with the required SVCURRENTCOMPANY envelope field set to the exact company name (case-sensitive). On the Marketo side, it stores the OAuth2 Client ID and Secret encrypted, exchanges them for a bearer token before each request, and refreshes the token when a call returns a 401. Because TallyPrime returns all matching records in a single response with no pagination, ml-connector caches the last-seen ledger and voucher IDs and only processes new records on the next poll. Because both systems are polling-only and TallyPrime has no error codes in responses (errors come as text in LINEERROR blocks), every record carries a full audit trail so a failed downstream Marketo write can be retried. Polling intervals are configurable based on your accounting close cycle.

A real-world example

A mid-market jewelry or apparel business runs TallyPrime for accounting and inventory in an India office, and uses Marketo to manage leads and pipeline for their B2B export business. Before the integration, the sales team manually entered new customer records from TallyPrime into Marketo for lead scoring, and reconciliation happened via spreadsheet exports. With TallyPrime and Marketo connected, each new customer and shipment recorded in TallyPrime automatically appears in Marketo as a lead or company record, segmented by product line and region. Sales teams work with current customer data, marketing programs target the right accounts, and month-end reconciliation is instant.

What you can do

• •Read customer ledgers and groups from TallyPrime and sync them into Marketo as companies and leads.
• •Map TallyPrime voucher data (sales, purchase, payment records) to Marketo lead activity and engagement records.
• •Handle TallyPrime's local-network requirement with a local agent and HTTP port 9000 polling.
• •Refresh OAuth2 bearer tokens on every Marketo request and cache results to stay within rate limits.
• •Carry a full audit trail of every customer record synced, including voucher references and last-seen state.

Questions

How does ml-connector reach TallyPrime if it is only accessible on a local network?

ml-connector requires a local agent running on the same machine or LAN as the TallyPrime installation. The agent bridges HTTP requests from ml-connector's cloud service to port 9000 on the TallyPrime host. The company name and optional credentials (username, password) are configured per customer and stored encrypted.

Why does Marketo need OAuth2 instead of a simple API key?

Marketo deprecated SOAP API as of July 31 2026 and enforces OAuth2 client credentials on all REST API calls. ml-connector stores the Client ID and Client Secret encrypted, exchanges them for a bearer token with a 3600-second expiry, and refreshes automatically when a request returns 401 Unauthorized.

What records actually sync and in which direction?

Customer ledgers and contact groups flow from TallyPrime into Marketo as leads and companies. Sales and payment vouchers also flow into Marketo as activity and engagement records. Marketo does not write back to TallyPrime, so accounting records remain the system of record. Both systems are polled on a schedule tied to your accounting close cycle.