# Update Payment Link Update an existing payment link. Only provided fields will be updated. ## Request ### Headers ### Path Parameters ### Body Parameters ## Response ### Success (200 OK) ```json { "success": true, "data": { "linkId": "pl_a1b2c3d4e5f6g7h8", "title": "Pro Plan Payment - Updated", "description": "Payment for Pro Plan subscription (updated)", "amount": 3999, "currency": "INR", "status": "ACTIVE", "usageType": "MULTI", "maxUses": 10, "usageCount": 0, "expiresAt": "2024-03-15T23:59:59.000Z", "productId": "prod_a1b2c3d4e5f6g7h8", "customerId": null, "invoiceId": null, "paymentUrl": "https://pay.zenpayz.com/pl_a1b2c3d4e5f6g7h8", "shortCode": "ZP-XYZ789", "shortUrl": "https://pay.zenpayz.com/s/ZP-XYZ789", "metadata": {}, "createdAt": "2024-01-15T10:30:00.000Z", "updatedAt": "2024-01-16T14:20:00.000Z" }, "message": "Payment link updated successfully", "error": null, "meta": { "request_id": "req_xxxxx", "timestamp": "2024-01-16T14:20:00.000Z", "processing_time_ms": 40, "api_version": "v1", "endpoint": "PUT /payment-links/:linkId", "user_type": "merchant" } } ``` ### Error Responses ## Examples ```bash curl -X PUT https://api.zenpayz.com/merchant/api/v1/payment-links/pl_a1b2c3d4e5f6g7h8 \ -H "Authorization: Bearer zp_test_xxxxx" \ -H "X-Timestamp: 2024-01-16T14:20:00.000Z" \ -H "X-Signature: a1b2c3d4e5f6..." \ -H "X-Secret-Salt: your_secret_salt" \ -H "Content-Type: application/json" \ -d '{ "title": "Pro Plan Payment - Updated", "amount": 3999, "usageType": "MULTI", "maxUses": 10, "expiresAt": "2024-03-15T23:59:59.000Z" }' ``` ```javascript const response = await fetch('https://api.zenpayz.com/merchant/api/v1/payment-links/pl_a1b2c3d4e5f6g7h8', { method: 'PUT', headers: { 'Authorization': `Bearer ${apiKey}`, 'X-Timestamp': timestamp, 'X-Signature': signature, 'X-Secret-Salt': secretSalt, 'Content-Type': 'application/json', }, body: JSON.stringify({ title: 'Pro Plan Payment - Updated', amount: 3999, usageType: 'MULTI', maxUses: 10, expiresAt: '2024-03-15T23:59:59.000Z', }), }); const result = await response.json(); console.log(result.data.amount); // 3999 console.log(result.data.usageType); // "MULTI" ``` ```javascript const link = await zenpays.paymentLinks.update('pl_a1b2c3d4e5f6g7h8', { title: 'Pro Plan Payment - Updated', amount: 3999, usageType: 'MULTI', maxUses: 10, expiresAt: '2024-03-15T23:59:59.000Z', }); console.log(link.amount); // 3999 console.log(link.usageType); // "MULTI" ``` ## Related Endpoints - [Get Payment Link](/docs/rest-api/endpoints/billing/payment-links/get-payment-link) - [Deactivate Payment Link](/docs/rest-api/endpoints/billing/payment-links/deactivate-payment-link) - [List Payment Links](/docs/rest-api/endpoints/billing/payment-links/list-payment-links)