VantegrateNative API integrationIntegrate Apollo.io with AI agentsthat answer whoever writes in and qualify them with Apollo data
Apollo.io is where your team prospects: it finds contacts, runs sequences and makes calls. Vantegrate's AI agents connect through the Apollo API for the other half: they answer whoever writes in on WhatsApp, SMS or web chat, qualify them with Apollo data and leave the rep the contact, the deal and the task.
How the data flows
What does it mean to integrate Apollo.io with Vantegrate's AI agents?
Integrating Apollo.io with Vantegrate's AI agents means that when someone writes in on WhatsApp, SMS or web chat, the sales agent asks for their work email, looks up the contact in your account or enriches it through the official API, qualifies it with the title, company and size Apollo returns, and records the contact, stage, deal and task for the rep.
The agent doesn't use Apollo to cold-message anyone: WhatsApp requires that the person opted in to your messages, and in the US, marketing texts need the person's consent too. Apollo stays your tool for prospecting by email and phone; the agent handles the conversations the customer starts and logs them where your team already works.
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What moves between the agents and your Apollo.io
The agent reads and writes in your account in real time through Apollo's REST API, and an Apollo workflow notifies it by webhook when something happens on your side.
Contacts, accounts and stages
The agent looks up the contact by email and, if it isn't there, creates it with Apollo's deduplication turned on, with its account, its stage and the right rep.
Enrichment data
From people enrichment it takes the title, company, industry and size to qualify the lead. It doesn't ask Apollo for a mobile number: on WhatsApp and SMS it has it from the first message.
Sequences, deals and tasks
If the contact was in a sequence, the agent marks them as finished; if they qualify, it opens the deal and creates a task with a summary of the conversation for the rep.
How the integration works, step by step
Vantegrate handles the setup and rollout. Your team authorizes, validates and starts using it.
API key with scoped permissions
An admin on your account creates a scoped key limited to the endpoints the agent uses, such as searching and creating contacts, enriching people, opening deals and creating tasks. Apollo rejects any call outside that list, and we don't use a master key.
Stage, field and rep mapping
We define which stage each contact enters, which custom fields hold the qualification and which rep gets each lead. Anything created with an API key is attributed to the account's longest-standing admin, so the agent sets the owner of each record in the same call.
Workflows and channels
If a form on your site asks for a phone number with a consent checkbox, an Apollo workflow notifies the agent with a webhook. Then we connect the WhatsApp numbers, SMS numbers and web chat the agent answers.
Testing with real data
We test with your real contacts and conversations, measure how many credits each enrichment uses and how many calls the agent makes per day against your plan's limits, and turn flows on one at a time.
WhatsApp, SMS and Apollo.io: what the agent does with each lead who writes in
Apollo.io pairs a B2B database of more than 240 million contacts, according to the company, with the tools to work them: sequences, calls and tasks (Apollo). The agent works on the contacts, accounts and deals your team already has in Apollo, with no parallel database.
When someone writes in on WhatsApp, SMS or web chat, the agent answers right away, asks for their work email and looks them up among your contacts. If they aren't there, it calls people enrichment, which uses one credit when Apollo finds their data, and asks your team's qualification questions with the title, company and size in hand. It doesn't ask Apollo to reveal a mobile number, which costs 8 more credits: on WhatsApp and SMS it already has it from the first message.
If the lead qualifies, the agent creates or updates the contact without duplicates, opens the deal, assigns the rep and leaves a task with a summary of the conversation. If the contact was in a sequence, it marks them as finished so automated emails stop while they're talking on WhatsApp or by text.
| Moment | What the agent does | Where it lands in Apollo.io |
|---|---|---|
| A WhatsApp, SMS or chat message arrives | Answers and asks for the work email | A contact search by email |
| They aren't a contact in your account | Enriches them with title, company and size | A new contact, no duplicates, with its account |
| The conversation moves forward | Asks your team's qualification questions | The contact's stage and custom fields |
| The lead qualifies | Opens the deal and assigns the rep | A deal and a task with the conversation summary |
| They were in a sequence | Marks them as finished | No more automated emails while they talk |
Reference flow; stages, fields and rules are defined with your team based on your account.
Apollo credits: enrichment draws credits from your plan, so the agent only enriches people who left a valid email and doesn't repeat the lookup if the contact is already in your account.
Apollo.io to prospect, WhatsApp and SMS to reply: why the agent never cold-messages
Apollo is built for outreach: its sequences combine automated emails with manual tasks, such as calls and LinkedIn actions (Apollo), and its database returns mobile numbers for prospects who never wrote to you. For WhatsApp, that number isn't enough: Meta's policy only lets you contact people who gave you their number and opted in to your messages (WhatsApp).
Apollo frames it the same way for calls: its Do Not Call (DNC) screening is a compliance aid, not a consent-management system (Apollo). That's why the agent doesn't take mobile numbers from Apollo to send messages: it answers people who write first, and their opt-in arrives with the first question.
The two ends meet by inviting the conversation. An email in a sequence can carry a link to your WhatsApp, and a form on your site can ask for a phone number with a consent checkbox; either way, the contact picks the channel, and the agent answers with the Apollo data in view.
What stays in Apollo: cold outreach by email and phone, under its own rules; the agent takes over the conversation when the person writes in on WhatsApp or by text and keeps everything in the same account.
Agents, inbound and MCP in Apollo.io: what an agent that holds the conversation adds
Apollo has its own AI: according to its site, its agents research, build lists, write outreach, follow up and book meetings (Apollo). For the traffic that comes on its own, its inbound package identifies website visitors, enriches forms, schedules meetings and routes each prospect to the right rep (Apollo).
It also has an official MCP server, Apollo MCP, which connects assistants such as ChatGPT, Claude, Perplexity or Cursor to your account through OAuth, on any plan, including free (Apollo). Apollo prohibits using that connection to train AI models (Apollo).
Apollo's agents work for the rep who prospects, and a form waits for the visitor to fill it out. Vantegrate's agent works at the other end: it holds the conversation with the customer who writes in on WhatsApp, SMS or web chat at any hour, with your catalog and your rules, qualifies them and leaves the result in Apollo through the API.
How they coexist: if you already use Apollo's agents or workflows, during discovery we define which stages and fields each one touches, so they don't overwrite each other on the same contact.
Apollo.io in US sales teams: DNC, TCPA and the conversations prospects start
Every paid Apollo account includes its dialer (Apollo), and its DNC screening checks numbers against registries in six countries, the US among them, and blocks dialing listed numbers unless a rep overrides it for a contact who gave explicit consent (Apollo).
Texting is stricter. The federal law behind marketing texts is the TCPA: it requires prior express written consent when they're sent with an automatic telephone dialing system (47 CFR 64.1200). WhatsApp is used by 32% of US adults (Pew Research Center, 2025), so for a US team it works next to SMS and web chat, not instead of them. Vantegrate's agent answers on all three when the prospect writes in, and every conversation ends up on the same Apollo contact.
Texting US numbers: the 10DLC registration and opt-out rules are on the SMS integration page.
You've seen how it connects. Want to walk through your case?
Tell us how your Apollo.io is set up and we'll tell you what data we need and where the agent connects.
An agent connected to your Apollo.io vs. a standalone tool
| Standalone AI tool | Agent connected to your Apollo.io | |
|---|---|---|
| Data source | A copy that drifts | Your source of truth, live |
| Where your data lives | In a third-party system | In your environment, encrypted end to end |
| Result of each operation | Stuck in another app | Written back to your Apollo.io |
| Permissions and audit | Broad and hard to audit | Least-privilege scope and an audit trail |
| Reaching production | Often stalls as a pilot | Validated, phased rollout |
Why connect an AI agent to your Apollo.io
Third-party figures, each with its published source. None of them is a Vantegrate result.
240M+
Contacts in Apollo's B2B database, along with 30M+ accounts, according to its site
Nearly 7x
More likely to qualify a lead when you contact it within the first hour than an hour later
Apollo.io reports its company and contact figures for its own platform; its About page cites 40,000 paying customers. Pew surveyed US adults. The Harvard Business Review study covered 1.25 million leads at 42 US companies: it measures the effect of responding fast, not of any one product.
Which agents work on your Apollo.io
Every agent uses the same API connection, with a key limited to what it needs: it reads live data from your account and leaves the result where your team already works.
Sellium
Sales agent: answers whoever writes in on WhatsApp, SMS or web chat, enriches and qualifies them with Apollo data, creates the contact without duplicates, opens the deal and leaves the rep a task with the summary.
Explore Sellium
Metrix
Data agent: answers plain-English questions about your sequences, calls and deals, such as how many calls each rep connected in the month, with a read-only key; it doesn't write to Apollo.
Explore MetrixThe integration doesn't take your Apollo data anywhere
AI comes to your data, not your data to the AI: the agent reads and updates your Apollo.io through the API, with a key that only opens the endpoints it uses, and what it records stays in your account.
- Connection through Apollo's official API, with a key scoped to specific endpoints and no master key, no scrapers or exports.
- Least privilege: the sales agent only searches, creates and updates contacts, deals and tasks, and the data agent uses a read-only key.
- Apollo states on its site that it holds SOC 2 Type II and ISO 27001 certifications; they belong to Apollo.io.
- The agents run on Salesforce or Oracle Cloud Infrastructure, whose SOC 2 and ISO 27001 certifications belong to those platforms, not to Vantegrate or Apollo.io.
Frequently asked questions about the Apollo.io integration
What sales, RevOps and IT teams usually ask before connecting an AI agent to their Apollo account.
How do I integrate Apollo.io with an AI agent?
How do I integrate Apollo.io with an AI agent?
Through the Apollo API: according to its docs, every plan includes at least basic access, and some functionality is limited to certain plans (Apollo). An admin creates a key scoped to the endpoints the agent uses; Apollo's OAuth is for its partners, and Vantegrate isn't one. Vantegrate handles the setup; your team authorizes, validates and starts using it. The sales agent is Sellium.
Can I message the mobile numbers I find in Apollo on WhatsApp or by text?
Can I message the mobile numbers I find in Apollo on WhatsApp or by text?
Not to start the conversation. WhatsApp's Business Messaging Policy only allows contacting people who gave you their number and opted in to your messages, and in the US, marketing texts sent with an automatic telephone dialing system need prior express written consent (47 CFR 64.1200). A number pulled from a prospecting database doesn't carry that consent. That's why the agent answers people who write first, for example from a WhatsApp link in an email or a form with explicit consent. Cold outreach stays in Apollo, by email and phone.
Are there limits on the Apollo API?
Are there limits on the Apollo API?
Yes. Apollo sets per-minute, per-hour and per-day limits for each endpoint, shared by the whole team: the general daily limit goes from 600 calls on the Free plan to 2,000 on Basic and Professional, and up to 6,000 on the top tier in Apollo's table; its analytics report allows 5 queries per hour. On top of that, enrichment draws credits from your plan. The integration is built around events and narrow queries; we don't promise unlimited calls.
Do I need Apollo MCP to use the agents?
Do I need Apollo MCP to use the agents?
No. Apollo MCP is Apollo's official MCP server so assistants such as Claude or ChatGPT can work in your account through the OAuth of the person who connects them. For an agent that runs on a server, with no one to approve in a browser, Apollo requires a master key that opens every endpoint; that's why Vantegrate's agent uses the API with a scoped key. The two can coexist in the same account.
Do Apollo's AI agents replace an agent that answers inbound conversations?
Do Apollo's AI agents replace an agent that answers inbound conversations?
They do different jobs. According to Apollo, its agents research, build lists, write outreach, follow up and book meetings for your reps, and its inbound tools enrich forms and route visitors. Vantegrate's AI agent holds the conversation a prospect starts on WhatsApp, SMS or web chat, qualifies them with Apollo's data and hands them to a rep, and both leave their work on the same Apollo contact.
SDR automation
Which parts of the prospector's job an AI agent can take on and which stay with your team.
Learn moreWhatsApp lead qualification
How the agent asks your team's questions and passes only qualified leads to a rep.
Learn moreSMS integration
Texting US numbers from the agent, with the 10DLC registration and opt-out rules.
Learn moreLet's connect AI agents to your Apollo.io
Tell us how your team uses Apollo, which stages and sequences you run and where your customers write in, and we'll show you what the agent reads, what it writes on each contact and how many credits it uses. A 30-minute conversation, no commitment.
Francisco Morales, co-founder, takes your call. We reply on WhatsApp within 4 business hours, no strings attached.
