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apollo-core-workflow-b Implement Apollo.io email sequences and outreach workflow.
Use when building automated email campaigns, creating sequences,
or managing outreach through Apollo.
Trigger with phrases like "apollo email sequence", "apollo outreach",
"apollo campaign", "apollo sequences", "apollo automated emails".
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name apollo-core-workflow-b description Implement Apollo.io email sequences and outreach workflow.
Use when building automated email campaigns, creating sequences,
or managing outreach through Apollo.
Trigger with phrases like "apollo email sequence", "apollo outreach",
"apollo campaign", "apollo sequences", "apollo automated emails".
allowed-tools Read, Write, Edit, Bash(npm:*), Bash(pip:*), Grep version 1.0.0 license MIT author Jeremy Longshore <jeremy@intentsolutions.io> compatible-with claude-code, codex, openclaw tags ["saas","apollo","workflow"]
Apollo Core Workflow B: Email Sequences & Outreach
Overview
Build Apollo.io email sequencing and outreach automation via the REST API. Sequences in Apollo are called "emailer_campaigns" in the API. This covers listing, searching, adding contacts, tracking engagement, and managing sequence lifecycle. All endpoints require a master API key .
Prerequisites
Completed apollo-core-workflow-a (lead search)
Apollo account with Sequences feature enabled
Connected email account in Apollo (Settings > Channels > Email)
Master API key (not standard)
Instructions
Step 1: Search for Existing Sequences
import axios from 'axios' ;
const client = axios.create ({
baseURL : 'https://api.apollo.io/api/v1' ,
headers : { 'Content-Type' : 'application/json' , 'x-api-key' : process.env .APOLLO_API_KEY ! },
});
export async function searchSequences (query ?: string const { data } = await client.post ('/emailer_campaigns/search' , {
q_name : query,
page : 1 ,
per_page : 25 ,
});
return data.emailer_campaigns .map ((seq : any ({
id
id
name
name
active
active
numSteps
num_steps
emailer_steps
length
0
stats
totalContacts
unique_scheduled
0
delivered
unique_delivered
0
opened
unique_opened
0
replied
unique_replied
0
bounced
unique_bounced
0
createdAt
created_at
Step 2: Get Email Accounts for Sending Before adding contacts to a sequence, you need the email account ID that will send the messages.
export async function getEmailAccounts (const { data } = await client.get ('/email_accounts' );
return data.email_accounts .map ((acct : any ({
id : acct.id ,
email : acct.email ,
sendingEnabled : acct.active ,
provider : acct.type ,
dailySendLimit : acct.daily_email_limit ,
}));
}
Step 3: Add Contacts to a Sequence The add_contact_ids endpoint enrolls contacts into an existing sequence. You must specify which email account sends the messages.
export async function addContactsToSequence (
sequenceId : string ,
contactIds : string [],
emailAccountId : string ,
) {
const { data } = await client.post (
`/emailer_campaigns/${sequenceId} /add_contact_ids` ,
{
contact_ids : contactIds,
emailer_campaign_id : sequenceId,
send_email_from_email_account_id : emailAccountId,
sequence_active_in_other_campaigns : false ,
},
);
return {
added : data.contacts ?.length ?? 0 ,
alreadyInCampaign : data.contacts_already_in_campaign ?? 0 ,
errors : data.not_added_contact_ids ?? [],
};
}
Step 4: Update Contact Status in a Sequence
export async function removeContactsFromSequence (
sequenceId : string ,
contactIds : string [],
action : 'finished' | 'removed' = 'finished' ,
) {
const { data } = await client.post ('/emailer_campaigns/remove_or_stop_contact_ids' , {
emailer_campaign_id : sequenceId,
contact_ids : contactIds,
});
return {
updated : data.contacts ?.length ?? 0 ,
};
}
Step 5: Create and Manage Contacts for Sequences Contacts must exist in your Apollo CRM before adding to sequences. Use the Contacts API to create them.
export async function createContact (params : {
firstName: string ;
lastName: string ;
email: string ;
title?: string ;
organizationName?: string ;
websiteUrl?: string ;
}const { data } = await client.post ('/contacts' , {
first_name : params.firstName ,
last_name : params.lastName ,
email : params.email ,
title : params.title ,
organization_name : params.organizationName ,
website_url : params.websiteUrl ,
});
return {
id : data.contact .id ,
email : data.contact .email ,
name : `${data.contact.first_name} ${data.contact.last_name} ` ,
};
}
export async function searchCrmContacts (query : string const { data } = await client.post ('/contacts/search' , {
q_keywords : query,
page : 1 ,
per_page : 25 ,
});
return data.contacts .map ((c : any ({
id : c.id ,
name : c.name ,
email : c.email ,
title : c.title ,
company : c.organization_name ,
}));
}
Step 6: Full Outreach Pipeline async function launchOutreach (
sequenceId : string ,
leads : Array <{ firstName: string ; lastName: string ; email: string ; title?: string ; company?: string }>,
) {
const accounts = await getEmailAccounts ();
const sender = accounts.find ((a : any a.sendingEnabled );
if (!sender) throw new Error ('No active email account found' );
const contactIds : string [] = [];
for (const lead of leads) {
try {
const contact = await createContact ({
firstName : lead.firstName ,
lastName : lead.lastName ,
email : lead.email ,
title : lead.title ,
organizationName : lead.company ,
});
contactIds.push (contact.id );
} catch (err : any ) {
const existing = await searchCrmContacts (lead.email );
if (existing.length > 0 ) contactIds.push (existing[0 ].id );
}
}
const result = await addContactsToSequence (sequenceId, contactIds, sender.id );
console .log (`Added ${result.added} contacts, ${result.alreadyInCampaign} already enrolled` );
return result;
}
Output
Sequence search via POST /emailer_campaigns/search
Email account listing via GET /email_accounts
Contact enrollment via POST /emailer_campaigns/{id}/add_contact_ids
Contact removal via POST /emailer_campaigns/remove_or_stop_contact_ids
Contact creation via POST /contacts and search via POST /contacts/search
Full outreach pipeline: create contacts, find sender, enroll in sequence
Error Handling Error Cause Solution 403 Forbidden Standard API key used Sequence endpoints require a master API key No email accounts Inbox not connected Connect email at Settings > Channels > Email in Apollo UI Contact already enrolled Duplicate enrollment Check contacts_already_in_campaign in response Contact not found ID does not exist in CRM Create via POST /contacts first
Resources
Next Steps Proceed to apollo-common-errors for error handling patterns.
