I try to create an invoice in php from the API with this code :

1. $jsonData = '{
2. "customer_id": "467818000000193001",
3. "reference_number": "",
4. "date": "2016-05-18",
5. "payment_terms": 15,
6. "payment_terms_label": "Net 15",
7. "due_date": "2016-05-18",
8. "discount": 0.00,
9. "is_discount_before_tax": true,
10. "discount_type": "item_level",
11. "is_inclusive_tax": "false",
12. "exchange_rate": 1.00,
13. "recurring_invoice_id": "",
14. "invoiced_estimate_id": "",
15. "salesperson_name": "",
16. "line_items": [
17. {
18. "item_id": "467818000000031001",
19. "project_id": "",
20. "expense_id": "",
21. "name": "Hard Drive",
22. "description": "500GB, USB 2.0 interface 1400 rpm, protective hard case.",
23. "item_order": 1,
24. "rate": 120.00,
25. "unit": "",
26. "quantity": 1.00,
27. "discount": 0.00,
28. "tax_id": ""
29. }
30. ],
31. "payment_options": {
32. "payment_gateways": [
33. {
34. "gateway_name": "paypal",
35. "additional_field1": "standard"
36. },
37. {
38. "gateway_name": "authorize_net",
39. "additional_field1": ""
40. },
41. {
42. "gateway_name": "stripe",
43. "additional_field1": ""
44. }
45. ]
46. },
47. "allow_partial_payments": true,
48. "custom_body": "",
49. "custom_subject": "",
50. "notes": "Thanks for your business.",
51. "terms": "Terms and conditions apply",
52. "shipping_charge": 0.00,
53. "adjustment": 0.00,
54. "adjustment_description": "",
55. "reason": ""
56. }';
57. 
    
58. //Initialize connection
59. $ch = curl_init('https://invoice.zoho.com/api/v3/invoices?authtoken=[MYAUTHTOKEN]&organization_id=[MYORGANISATION]&JSONString='.$jsonData);
60. curl_setopt($ch, CURLOPT_VERBOSE, 1);//standard i/o streams
61. curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);// Turn off the server and peer verification
62. curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
63. curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);//Set to return data to string ($response)
64. curl_setopt($ch, CURLOPT_POST, TRUE);//Regular post
65. curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/json") );
66. curl_setopt($ch, CURLOPT_POSTFIELDS,$jsonData);
67. 
    
68. //Execute cUrl session
69. $response = curl_exec($ch);
70. 
    
71. echo $response;

I haven't any error but my invoice is not created :(

Anyone can help me ?

Thanks in advance