Task: [2/3] Automate Lead Generation 

n8n workflow JSON:
{"meta":{"instanceId":"94c4e840a537eafad41834dc1cdea87e7b992e4a38d15d50e7b95cebc2ce"},"nodes":[{"id":"7ec2af3e-0351-4ec2-a827-2ce1670efdcc","name":"NoOp","type":"n8n-nodes-base.noOp","position":[-400,1540],"parameters":{},"typeVersion":1},{"id":"189bb27b-184e-4cb6-95df-52c2bd703ef7","name":"Lead_of_interest ?","type":"n8n-nodes-base.if","position":[-860,1300],"parameters":{"conditions":{"string":[{"value1":"={{$json[\"fields\"][\"checkbox\"]}}","value2":"B","operation":"notContains"},{"value1":"={{$json[\"fields\"][\"company_name\"]}}","value2":"ROVI Pharmaceutical Company","operation":"notContains"}]}},"typeVersion":1},{"id":"9d9b4729-416a-4c06-94cf-1604afa6a4af","name":"Airtable2","type":"n8n-nodes-base.airtable","position":[-1100,1300],"parameters":{"table":"Lead_infos_staging","operation":"list","application":{"__rl":true,"mode":"","value":""},"additionalOptions":{}},"credentials":{"airtableApi":{"id":"4","name":"Airtable_api"}},"typeVersion":1,"alwaysOutputData":true},{"id":"7d684025-2f50-4e13-a3ae-2c566e79f9c3","name":"POST  Request1","type":"n8n-nodes-base.httpRequest","position":[1680,480],"parameters":{"url":"https://api.usebouncer.com/v1/email/verify/","options":{},"requestMethod":"POST","authentication":"genericCredentialType","jsonParameters":true,"genericAuthType":"httpBasicAuth","bodyParametersJson":"=\n    {\n        \"email\": \"{{$json[\"fields\"][0][\"email\"]}}\"\n \n    }\n","headerParametersJson":"{\"api-key\"}"},"credentials":{"httpBasicAuth":{"id":"33","name":"Bouncer_2"}},"typeVersion":2},{"id":"32f9e77d-8a77-45e7-96f9-3e5dfde379a5","name":"Check_Status","type":"n8n-nodes-base.httpRequest","position":[1920,480],"parameters":{"url":"=https://api.usebouncer.com/v1/email/verify/{{$json[\"requestId\"]}}","options":{},"authentication":"basicAuth","headerParametersUi":{"parameter":[{"name":"x-api-key"}]}},"credentials":{"httpBasicAuth":{"id":"33","name":"Bouncer"}},"typeVersion":1},{"id":"460945fe-8499-4697-9d16-befe4e253cc2","name":"Check_succes","type":"n8n-nodes-base.if","position":[2140,480],"parameters":{"conditions":{"number":[{"value1":"={{$json[\"progress\"][\"completed\"]}}","value2":1,"operation":"notEqual"}]}},"typeVersion":1},{"id":"8ac176a0-0321-4af2-9c07-82e04f8ddedd","name":"Get_results","type":"n8n-nodes-base.httpRequest","position":[2460,500],"parameters":{"url":"=https://api.usebouncer.com/v1/email/{{$json[\"requestId\"]}}?download=all","options":{},"authentication":"basicAuth","headerParametersUi":{"parameter":[{"name":"x-api-key"}]}},"credentials":{"httpBasicAuth":{"id":"33","name":"Bouncer"}},"typeVersion":1},{"id":"a1a9b306-e57d-403f-921f-69576d66c9c8","name":"Mail_found","type":"n8n-nodes-base.if","position":[140,880],"parameters":{"conditions":{"string":[{"value1":"={{$json[\"email\"]}}","operation":"isNotEmpty"}]}},"typeVersion":1},{"id":"e85f074f-04f4-4569-b93d-63a00b76b447","name":"Set","type":"n8n-nodes-base.set","position":[420,1080],"parameters":{"values":{"string":[{"name":"first_name","value":"={{$json[\"first_name\"]}}"},{"name":"last_name","value":"={{$json[\"last_name\"]}}"},{"name":"linkedin_url","value":"={{$json[\"linkedin\"]}}"},{"name":"company","value":"={{$json[\"company\"]}}"},{"name":"job_title","value":"={{$json[\"job\"]}}"},{"name":"id","value":"={{$json[\"id\"]}}"},{"name":"email","value":"not_found"}]},"options":{},"keepOnlySet":true},"typeVersion":1},{"id":"d7ef965e-5833-44e0-afed-015b2fee92cd","name":"IF","type":"n8n-nodes-base.if","position":[980,480],"parameters":{"conditions":{"boolean":[{"value1":true,"value2":"={{$node[\"SplitInBatches\"].context[\"noItemsLeft\"]}}"}]}},"typeVersion":1},{"id":"4555c590-cd6c-4491-bc6a-ba4a24ecf26f","name":"SplitInBatches","type":"n8n-nodes-base.splitInBatches","position":[620,480],"parameters":{"options":{},"batchSize":1},"typeVersion":1},{"id":"3aed7df7-8db1-4cb5-a057-e8a9a7339c79","name":"Item Lists","type":"n8n-nodes-base.itemLists","position":[1340,480],"parameters":{"options":{},"operation":"aggregateItems","fieldsToAggregate":{"fieldToAggregate":[{"fieldToAggregate":"fields"}]}},"typeVersion":1},{"id":"f53ff366-ecf9-4bb8-a7e6-46bceabaa34a","name":"SplitInBatches1","type":"n8n-nodes-base.splitInBatches","position":[620,1080],"parameters":{"options":{},"batchSize":1},"typeVersion":1},{"id":"c512855d-484e-44bb-a389-d6ba01101435","name":"IF1","type":"n8n-nodes-base.if","position":[780,1080],"parameters":{"conditions":{"boolean":[{"value1":true,"value2":"={{$node[\"SplitInBatches\"].context[\"noItemsLeft\"]}}"}]}},"typeVersion":1},{"id":"f18329a8-cc81-400e-9f45-26dc338b0a8a","name":"Set_id","type":"n8n-nodes-base.set","position":[-80,1140],"parameters":{"values":{"string":[{"name":"id","value":"={{$node[\"Lead_of_interest ?\"].json[\"id\"]}}"},{"name":"first_name","value":"={{$json[\"first_name\"]}}"},{"name":"last_name","value":"={{$json[\"last_name\"]}}"},{"name":"email","value":"={{$json[\"email\"][0][\"email\"]}}"}]},"options":{},"keepOnlySet":true},"typeVersion":1},{"id":"31a4ea8b-7e24-4347-b6e0-ee0ac21afde8","name":"Set_id1","type":"n8n-nodes-base.set","position":[420,480],"parameters":{"values":{"string":[{"name":"id","value":"={{$json[\"id\"]}}"},{"name":"email","value":"={{$json[\"email\"]}}"}]},"options":{}},"typeVersion":1},{"id":"d2de7788-597e-4a67-864d-dc3d82aea252","name":"Wait","type":"n8n-nodes-base.function","position":[2140,820],"parameters":{"functionCode":"const waitTimeSeconds = 5;\n\nreturn new Promise((resolve) => {\n  setTimeout(() => {\n    resolve(items);\n  }, waitTimeSeconds * 1000);\n});\n\n"},"typeVersion":1},{"id":"1e91f437-d96d-48fe-bf1b-acda30534206","name":"Split object","type":"n8n-nodes-base.function","position":[2740,500],"parameters":{"functionCode":"return items[0].json;"},"typeVersion":1},{"id":"569f1645-67dd-44a8-8fd2-175e449c8ef7","name":"Dropcontact_mail_finder","type":"n8n-nodes-base.dropcontact","position":[-380,1140],"parameters":{"options":{},"additionalFields":{"company":"={{$json[\"fields\"][\"company_name\"]}}","linkedin":"={{$json[\"fields\"][\"search_url\"]}}","last_name":"={{$json[\"fields\"][\"last_name\"]}}","first_name":"={{$json[\"fields\"][\"first_name\"]}}"}},"credentials":{"dropcontactApi":{"id":"55","name":"Dropcontact account 3"}},"typeVersion":1,"alwaysOutputData":true},{"id":"2e99c532-c3f5-4360-a715-bee72cb69941","name":"Set_Airtable","type":"n8n-nodes-base.set","position":[2980,500],"parameters":{"values":{"string":[{"name":"mail","value":"={{$json[\"email\"]}}"},{"name":"deliverabilite","value":"={{$json[\"status\"]}}"}]},"options":{},"keepOnlySet":true},"typeVersion":1},{"id":"c30bbd80-8aa9-4480-bae5-3cab8095b917","name":"Note5","type":"n8n-nodes-base.stickyNote","position":[-480,980],"parameters":{"width":280,"height":500,"content":"Find emails\n\n\n\n"},"typeVersion":1},{"id":"fad09475-a66d-4b38-8cb2-35a5ddde1af3","name":"Note10","type":"n8n-nodes-base.stickyNote","position":[400,860],"parameters":{"width":540,"height":500,"content":"If **Mail not_found** update Airtable\n\n\n"},"typeVersion":1},{"id":"f6f3b4ca-1361-485e-9eef-f1f212750c49","name":"Note11","type":"n8n-nodes-base.stickyNote","position":[-920,980],"parameters":{"width":280,"height":480,"content":"Select only the lead of interest\n\n\n\n"},"typeVersion":1},{"id":"d855efe9-8f22-417d-9374-7e49cc1d5d60","name":"Note12","type":"n8n-nodes-base.stickyNote","position":[-1220,980],"parameters":{"width":280,"height":480,"content":"\n**Steps to execute manually before launch**\n\n1.Second filtering -> Select with a checkbox only the leads of interest \n\n2.Check for duplicate and delete\n\n3.Verify First Name / Last name\n \n\n4.Remove Phd, MSc, ....\n\n**Process by batch of 15**\n\n\n"},"typeVersion":1},{"id":"98e853a0-4721-4feb-ac8e-a532d4eefefa","name":"Airtable4","type":"n8n-nodes-base.airtable","position":[800,480],"parameters":{"id":"={{$json[\"id\"]}}","table":"Lead_infos_staging","fields":["email"],"options":{},"operation":"update","application":{"__rl":true,"mode":"","value":""},"updateAllFields":false},"credentials":{"airtableApi":{"id":"56","name":"Airtable account"}},"typeVersion":1}],"connections":{"IF":{"main":[[{"node":"Item Lists","type":"main","index":0}],[{"node":"SplitInBatches","type":"main","index":0},{"node":"Item Lists","type":"main","index":0}]]},"IF1":{"main":[null,[{"node":"SplitInBatches1","type":"main","index":0}]]},"Set":{"main":[[{"node":"SplitInBatches1","type":"main","index":0}]]},"Wait":{"main":[[{"node":"Check_Status","type":"main","index":0}]]},"Set_id":{"main":[[{"node":"Mail_found","type":"main","index":0}]]},"Set_id1":{"main":[[{"node":"SplitInBatches","type":"main","index":0}]]},"Airtable2":{"main":[[{"node":"Lead_of_interest ?","type":"main","index":0}]]},"Airtable4":{"main":[[{"node":"IF","type":"main","index":0}]]},"Item Lists":{"main":[[{"node":"POST  Request1","type":"main","index":0}]]},"Mail_found":{"main":[[{"node":"Set_id1","type":"main","index":0}],[{"node":"Set","type":"main","index":0}]]},"Get_results":{"main":[[{"node":"Split object","type":"main","index":0}]]},"Check_Status":{"main":[[{"node":"Check_succes","type":"main","index":0}]]},"Check_succes":{"main":[[{"node":"Wait","type":"main","index":0}],[{"node":"Get_results","type":"main","index":0}]]},"Set_Airtable":{"main":[[{"node":"Airtable4","type":"main","index":0}]]},"Split object":{"main":[[{"node":"Set_Airtable","type":"main","index":0}]]},"POST  Request1":{"main":[[{"node":"Check_Status","type":"main","index":0}]]},"SplitInBatches":{"main":[[{"node":"Airtable4","type":"main","index":0}]]},"SplitInBatches1":{"main":[[{"node":"Airtable4","type":"main","index":0}]]},"Lead_of_interest ?":{"main":[[{"node":"Dropcontact_mail_finder","type":"main","index":0}],[{"node":"NoOp","type":"main","index":0}]]},"Dropcontact_mail_finder":{"main":[[{"node":"Set_id","type":"main","index":0}]]}}}