API v1 has stats as part of the VMs
[…]
"entities": [
{
"vmId": “xxxxxxxxxxxxxx”,
"uuid": “xxxxxxx”,
"powerState": "off",
"vmName": “abcd”,
"guestOperatingSystem": null,
"ipAddresses": [],
"hypervisorType": "kKvm",
"hostName": null,
"hostId": null,
"hostUuid": null,
"containerIds": [
“xxxxxx8"
[…]
"stats": {
"hypervisor_avg_io_latency_usecs": "-1",
"num_read_iops": "-1",
"hypervisor_write_io_bandwidth_kBps": "-1",
"timespan_usecs": "-1",
"controller_num_read_iops": "-1",
"controller.storage_tier.ssd.usage_bytes": "97837056",
"read_io_ppm": "-1",
"controller_num_iops": "-1",
"hypervisor_memory_assigned_bytes": "-1",
"total_read_io_time_usecs": "-1",
"controller_total_read_io_time_usecs": "0",
"controller.storage_tier.ssd.configured_pinned_bytes": "0",
"hypervisor_num_io": "-1",
"controller_total_transformed_usage_bytes": "0",
"hypervisor_cpu_usage_ppm": "0",
"controller_num_write_io": "-1",
"avg_read_io_latency_usecs": "-1",
"guest.memory_swapped_in_bytes": "-1",
"controller_total_io_time_usecs": "0",
"memory_usage_ppm": "0",
"controller_total_read_io_size_kbytes": "0",
"controller_num_seq_io": "-1",
"controller_read_io_ppm": "-1",
"controller_total_io_size_kbytes": "0",
"hypervisor.cpu_ready_time_ppm": "-1",
"controller_num_io": "0",
"hypervisor_avg_read_io_latency_usecs": "-1",
"num_write_iops": "-1",
"controller_num_random_io": "0",
"num_iops": "-1",
"guest.memory_usage_ppm": "0",
"hypervisor_num_read_io": "-1",
"hypervisor_total_read_io_time_usecs": "-1",
"controller_avg_io_latency_usecs": "-1",
"num_io": "-1",
"controller_num_read_io": "0",
"hypervisor_num_write_io": "-1",
"controller_seq_io_ppm": "-1",
"guest.memory_usage_bytes": "0",
"controller_read_io_bandwidth_kBps": "-1",
"controller_io_bandwidth_kBps": "-1",
"hypervisor_num_received_bytes": "0",
"hypervisor_timespan_usecs": "-1",
"hypervisor_num_write_iops": "-1",
"total_read_io_size_kbytes": "-1",
"hypervisor_total_io_size_kbytes": "-1",
"avg_io_latency_usecs": "-1",
"hypervisor_num_read_iops": "-1",
"hypervisor_swap_in_rate_kBps": "-1",
"controller_write_io_bandwidth_kBps": "-1",
"controller_write_io_ppm": "-1",
"controller_user_bytes": "9475319296",
"hypervisor_avg_write_io_latency_usecs": "-1",
"hypervisor_num_transmitted_bytes": "0",
"hypervisor_total_read_io_size_kbytes": "-1",
"read_io_bandwidth_kBps": "-1",
"guest.memory_swapped_out_bytes": "-1",
"hypervisor_memory_usage_ppm": "0",
"hypervisor_num_iops": "-1",
"hypervisor_io_bandwidth_kBps": "-1",
"controller_num_write_iops": "-1",
"total_io_time_usecs": "-1",
"controller_random_io_ppm": "-1",
"controller.storage_tier.das-sata.usage_bytes": "13925916672",
"controller_avg_read_io_size_kbytes": "-1",
"hypervisor_swap_out_rate_kBps": "-1",
"total_transformed_usage_bytes": "-1",
"avg_write_io_latency_usecs": "-1",
"num_read_io": "-1",
"write_io_bandwidth_kBps": "-1",
"hypervisor_read_io_bandwidth_kBps": "-1",
"hypervisor_consumed_memory_bytes": "0",
"random_io_ppm": "-1",
"total_untransformed_usage_bytes": "-1",
"hypervisor_total_io_time_usecs": "-1",
"num_random_io": "-1",
"controller_avg_write_io_size_kbytes": "-1",
"controller_avg_read_io_latency_usecs": "-1",
"controller.storage_tier.das-sata.configured_pinned_bytes": "0",
"num_write_io": "-1",
"total_io_size_kbytes": "-1",
"controller.storage_tier.cloud.usage_bytes": "0",
"io_bandwidth_kBps": "-1",
"controller_timespan_usecs": "0",
"num_seq_io": "-1",
"seq_io_ppm": "-1",
"write_io_ppm": "-1",
"controller_avg_write_io_latency_usecs": "-1"
},
An article with examples Getting VM Performance Metrics via API as well.
