Manage PayPal payments, refunds, payouts, and disputes from WhatsApp
PayPal is the world's most recognized online payment system, handling 430M+ active accounts across merchants, marketplaces, and freelancers. The LunoGen PayPal integration uses the PayPal REST API and IPN/webhooks so your AI agent can react to payments, issue refunds, track payouts, and send invoices directly from WhatsApp.
PayPal notifications are buried in email, the merchant dashboard is slow, and disputes fire off silently until the resolution deadline is almost up. LunoGen turns PayPal into a conversational surface: payments ping your group in real time, refunds are one message, and the agent wakes you up the moment a dispute lands so you never miss a response window.
In the PayPal Developer dashboard go to My Apps & Credentials → Live → Create App. Name it 'LunoGen Agent' and link it to your business account. Copy the Client ID and Secret.
Open Credentials → New → PayPal in the LunoGen dashboard. Paste your Client ID and Secret. LunoGen exchanges them for an OAuth access token on first use.
Copy the LunoGen webhook URL from the integration page. In the PayPal app settings, add a webhook pointing at that URL and subscribe to the events you need: PAYMENT.CAPTURE.COMPLETED, CUSTOMER.DISPUTE.CREATED, PAYMENT.CAPTURE.REFUNDED, BILLING.SUBSCRIPTION.CANCELLED.
Trigger a test webhook from the PayPal dashboard. LunoGen will confirm receipt and show the parsed payload in the integration logs.
Every PAYMENT.CAPTURE.COMPLETED webhook triggers the agent. It formats the payer, amount, currency, and fee, then posts a clean summary to your WhatsApp group before PayPal's email even lands.
PayPal capture webhook fired. Fetching the full payment details...
Tell the agent to refund a transaction in plain language. It looks up the capture, issues a full or partial refund via REST API, and confirms with the refund ID and estimated posting time.
Refund $50 of capture 3FA27913PP912 — client asked for a partial credit on the design retainer
Looking up capture 3FA27913PP912...
When a marketplace fires a PAYMENT.PAYOUTSBATCH.SUCCESS webhook, the agent breaks out every payout item, matches it to a seller, and posts the summary to the payouts channel — then stores it in memory for the monthly report.
Payout batch succeeded. Fetching batch details and item breakdown...
The moment CUSTOMER.DISPUTE.CREATED fires, the agent pulls the case details, calculates the response deadline, and pings the right person with everything they need to respond — not 4 days later by email.
New PayPal dispute. Pulling case details from the Disputes API...
On the 1st of each month the agent queries the PayPal Transaction Search API, aggregates revenue, fees, refunds, and currency mix, then delivers a clean monthly report to WhatsApp.
Querying /v1/reporting/transactions for March 1–31 across all currencies...
Ask the agent to invoice a client. It calls the PayPal Invoicing API, creates a draft, sends it, and returns the payable link — so you can quote and bill in a single WhatsApp exchange.
Invoice Alicia Moore $1,800 for the May design retainer. Due in 14 days. Add a line for 'Design retainer — May 2026'.
Creating the invoice via /v2/invoicing/invoices...
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Spin up an AI agent in under 2 minutes, plug in your PayPal credentials, and start running your workflows from WhatsApp.