Heath Checking APIs returning 404 in Tyk CE

Are you referring to tyk.conf or tyk.standalone.conf file?

tyk.conf contents:

{
“listen_address”: “”,
“listen_port”: 8080,
“secret”: “tyk_secret”,
“node_secret”: “tyk_secret”,
“template_path”: “./templates”,
“tyk_js_path”: “./js/tyk.js”,
“middleware_path”: “./middleware”,
“policies”: {
“policy_source”: “service”,
“policy_connection_string”: “http://tyk-dashboard:3000”,
“policy_record_name”: “tyk_policies”,
“allow_explicit_policy_id”: true
},
“use_db_app_configs”: true,
“db_app_conf_options”: {
“connection_string”: “http://tyk-dashboard:3000”,
“node_is_segmented”: false,
“tags”: [
“test”
]
},
“disable_dashboard_zeroconf”: false,
“app_path”: “./test_apps/”,
“storage”: {
“type”: “redis”,
“host”: “tyk-redis”,
“port”: 6379,
“hosts”: null,
“username”: “”,
“password”: “”,
“database”: 0,
“optimisation_max_idle”: 3000,
“optimisation_max_active”: 5000,
“enable_cluster”: false
},
“enable_separate_cache_store”: false,
“enable_analytics”: true,
“analytics_config”: {
“type”: “mongo”,
“ignored_ips”: [],
“enable_detailed_recording”: true,
“enable_geo_ip”: false,
“geo_ip_db_path”: “./GeoLite2-City.mmdb”,
“normalise_urls”: {
“enabled”: true,
“normalise_uuids”: true,
“normalise_numbers”: true,
“custom_patterns”: []
}
},
“health_check”: {
“enable_health_checks”: true,
“health_check_value_timeouts”: 0
},
“optimisations_use_async_session_write”: true,
“allow_master_keys”: false,
“hash_keys”: true,
“hash_key_function”: “murmur64”,
“suppress_redis_signal_reload”: false,
“suppress_default_org_store”: false,
“use_redis_log”: true,
“sentry_code”: “”,
“use_sentry”: false,
“use_syslog”: false,
“use_graylog”: false,
“use_logstash”: false,
“graylog_network_addr”: “”,
“logstash_network_addr”: “”,
“syslog_transport”: “”,
“logstash_transport”: “”,
“syslog_network_addr”: “”,
“enforce_org_data_age”: true,
“enforce_org_data_detail_logging”: false,
“enforce_org_quotas”: true,
“experimental_process_org_off_thread”: false,
“enable_non_transactional_rate_limiter”: true,
“enable_sentinel_rate_limiter”: false,
“Monitor”: {
“enable_trigger_monitors”: false,
“configuration”: {
“method”: “”,
“target_path”: “”,
“template_path”: “”,
“header_map”: null,
“event_timeout”: 0
},
“global_trigger_limit”: 0,
“monitor_user_keys”: false,
“monitor_org_keys”: false
},
“oauth_refresh_token_expire”: 0,
“oauth_token_expire”: 0,
“oauth_redirect_uri_separator”: “;”,
“slave_options”: {
“use_rpc”: false,
“connection_string”: “”,
“rpc_key”: “”,
“api_key”: “”,
“enable_rpc_cache”: false,
“bind_to_slugs”: false,
“disable_keyspace_sync”: false,
“group_id”: “”
},
“disable_virtual_path_blobs”: false,
“local_session_cache”: {
“disable_cached_session_state”: true,
“cached_session_timeout”: 0,
“cached_session_eviction”: 0
},
“http_server_options”: {
“override_defaults”: false,
“read_timeout”: 0,
“write_timeout”: 0,
“use_ssl”: false,
“use_ssl_le”: false,
“enable_websockets”: true,
“certificates”: [],
“server_name”: “”,
“min_version”: 0,
“flush_interval”: 0
},
“service_discovery”: {
“default_cache_timeout”: 0
},
“close_connections”: false,
“auth_override”: {
“force_auth_provider”: false,
“auth_provider”: {
“name”: “”,
“storage_engine”: “”,
“meta”: null
},
“force_session_provider”: false,
“session_provider”: {
“name”: “”,
“storage_engine”: “”,
“meta”: null
}
},
“uptime_tests”: {
“disable”: true,
“config”: {
“failure_trigger_sample_size”: 1,
“time_wait”: 2,
“checker_pool_size”: 50,
“enable_uptime_analytics”: true
}
},
“hostname”: “”,
“enable_api_segregation”: false,
“control_api_hostname”: “”,
“enable_custom_domains”: true,
“enable_jsvm”: true,
“coprocess_options”: {
“enable_coprocess”: false,
“coprocess_grpc_server”: “tcp://localhost:5555”
},
“hide_generator_header”: false,
“event_handlers”: {
“events”: {}
},
“event_trigers_defunct”: {},
“pid_file_location”: “./tyk-gateway.pid”,
“allow_insecure_configs”: true,
“public_key_path”: “”,
“close_idle_connections”: false,
“allow_remote_config”: true,
“enable_bundle_downloader”: false,
“max_idle_connections_per_host”: 500,
“disable_ports_whitelist”: true,
“ports_whitelist”: {
“tcp”: {
“ports”: [
18788,
26290
]
}
},
“enable_hashed_keys_listing”: true,
“enable_batch_request_support”: true,
“log_level”: “debug”
}

Hope this helps!