Emai enrichment API needed!

Have you heard of dropcontact.com? I've not used it personally but have heard positive things about it.

klazify.com, strongly recommended.

For example, elon@tesla.com:

{
"domain": {
"categories": [
{
"confidence": 0.99,
"name": "/Autos & Vehicles/Motor Vehicles (By Type)/Hybrid & Alternative Vehicles"
},
{
"confidence": 0.59,
"name": "/Business & Industrial"
}
],
"domain_url": "https://www.Tesla.com/",
"logo_url": "https://klazify.s3.amazonaws.com/25274065116190462966080af981b5746.92815550.png",
"social_media": null
},
"success": true,
"objects": {
"company": {
"name": "Tesla",
"city": "Las Vegas",
"stateCode": "NV",
"countryCode": "US",
"employeesRange": "10K-50K",
"revenue": 24578000000,
"raised": null,
"tags": [
"Renewables & Environment",
"Energy",
"Automotive",
"Marketplace",
"B2C"
],
"tech": [
"qualtrics",
"zendesk",
"microsoft_exchange_online",
"sendgrid",
"outlook",
"microsoft_office_365",
"akamai_dns",
"drupal",
"vimeo",
"google_analytics",
"google_tag_manager",
"centos",
"apache",
"nginx",
"twitter_button",
"atlassian_confluence",
"apache_apex",
"talend",
"salesforce",
"oracle_peoplesoft",
"stripe",
"workday",
"sage_50cloud",
"quickbooks",
"sap_hana",
"oracle_data_integrator",
"informatica",
"db2",
"episerver",
"apache_tomcat",
"alteryx",
"atlassian_jira",
"microsoft_dynamics",
"kronos",
"saleslogix",
"information_builders",
"gotomeeting",
"windows_server",
"filemaker_pro",
"oracle_application_server",
"netsuite",
"adp",
"basecamp",
"teradata",
"microsoft_project",
"wrike",
"apache_kafka",
"aws_kinesis",
"aws_redshift",
"hbase",
"goldengate",
"ibm_infosphere_datastage",
"oracle_endeca",
"rabbitmq",
"oracle_fusion",
"aws_lambda",
"splunk",
"paychex",
"sap_sales_order_management",
"qliktech",
"ibm_cognos",
"pipedrive",
"oracle_business_intelligence",
"aws_dynamodb",
"apache_http_server",
"github",
"hootsuite",
"workamajig",
"qlikview",
"pentaho",
"google_search_appliance",
"baidu_analytics",
"zedo",
"sap_concur",
"neo4j",
"medallia",
"apache_maven",
"sap_crm",
"five9",
"netsuite_crm",
"apache_cassandra",
"ibm_websphere",
"microsoft_power_bi",
"apache_spark",
"sap_business_objects",
"kentico",
"liferay",
"ibm_lotus_notes",
"hp_servers",
"mongodb",
"twilio",
"cision",
"pagerduty",
"couchbase",
"oracle_hyperion",
"rsa_securid",
"oracle_weblogic",
"openid",
"thomson_reuters_eikon",
"oracle_essbase",
"okta",
"pivotal_tracker",
"sap_crystal_reports",
"soasta",
"hive",
"sugarcrm",
"oracle_crm",
"microstrategy",
"goldmine",
"apache_hadoop",
"adobe_marketing_cloud",
"vmware_server",
"cyberark",
"tibco_spotfire",
"sitecore",
"couchdb",
"factset",
"peoplesoft_crm",
"postgresql",
"zoho_crm",
"cloudera",
"sybase",
"sas_enterprise",
"smartsheet",
"flexera_software",
"trello",
"datadog",
"mysql",
"dropbox",
"salesforce_dmp"
]
}
},
"similar_domains": [
"tesla.com's",
"teslamotorsclub.com",
"tesla.com",
"kia.com",
"porsche.com",
"driveteslacanada.ca",
"toyota.com",
"ford.com",
"vw.com",
"polestar.com",
"bmwusa.com",
"lucidmotors.com"
]
}