VantegrateNative API integrationVantegrate's AI agents connect to your account through the official HubSpot API: they read and write your contacts, deals and tickets, answer and qualify leads on WhatsApp, and log every conversation on the contact's timeline. Your data keeps living in your HubSpot CRM.
How the data flows
Integrating HubSpot with Vantegrate's AI agents means that an agent, such as the sales agent that answers leads on WhatsApp, connects to your account through the official HubSpot API and works with your real CRM: it reads and updates contacts, creates deals and moves them through stages, opens tickets and logs every conversation. The connection uses OAuth 2.0 and webhooks, limited by the scopes you authorize.
That is different from a chatbot with fixed scripts that lives outside your CRM. HubSpot connects WhatsApp to its inbox and has its own customer service agent, Customer Agent, which also answers on WhatsApp; what Vantegrate adds is a sales agent that qualifies every lead, creates and moves the deal in your pipeline and hands off to a sales rep when it's worth it. The agent checks the current data in your account and decides what to do with each lead. Your contact and conversation data stays in your HubSpot: the agent reads and updates it, it doesn't take it anywhere.
Pick what you need and we'll write the message for you.
1 · Pick what to solve
2 · What our team receives
Vantegrate
online
The agent works on HubSpot's standard CRM objects in real time: it reads your contacts and deals to answer, and logs every lead, stage and conversation where it belongs.
The agent creates and updates contacts and companies, creates deals and moves them through your pipeline stages, and opens support tickets tied to the right contact, which your team then works in Service Hub.
Every WhatsApp chat is logged as an engagement on the contact, with its summary, so your team picks up with the full context on the timeline.
With HubSpot webhooks, a property change or a deal stage change triggers a proactive follow-up from the agent, without anyone entering it by hand.
Vantegrate handles the setup and rollout. Your team authorizes, validates and starts using it.
We connect to the HubSpot API over OAuth 2.0, or with a private app and its access token for a single account. No scrapers and no fragile bridges.
We define the scopes and which objects, properties and pipelines the agent uses to qualify leads, create deals and log every conversation.
We set up the webhooks that trigger the agent's workflows and its WhatsApp channel through the API; how it coexists with your conversations inbox is defined during discovery.
We test with your real CRM and chats, validate with your sales and IT teams, and roll out in phases.
HubSpot connects a WhatsApp Business channel to its conversations inbox on its Professional and Enterprise plans, so your team replies from the CRM. For customer service it has Service Hub, its support software with a help desk, a knowledge base and a customer portal. From the Professional plan up, Service Hub adds HubSpot's own customer service agent, Customer Agent (in its Agent Hub, formerly Breeze), which, according to HubSpot, answers on chat, email, WhatsApp and Messenger and takes phone calls using your company's information, and hands off to a person when needed. For FAQs and support, that may be enough.
What Vantegrate's agent adds is the sale: it understands what the customer wants to buy, asks the qualification questions that are still missing, creates or updates the deal and only escalates to a person when it's worth it. It works with live data from your account and logs every conversation on the contact's timeline, so nothing is left without follow-up on a sales rep's phone. The two agents can coexist with a clear rule about who handles what, as the guide to integrating WhatsApp with HubSpot explains.
You keep the CRM you chose. HubSpot ranks third among G2's Best Software Companies, behind Salesforce and Google (G2, 2026), and the agent doesn't ask you to change it: it writes into your existing pipelines and properties, and those properties can trigger the nurturing and assignment workflows you already have, depending on your plan.
| Dimension | What HubSpot includes | Sales agent on HubSpot |
|---|---|---|
| What it solves | WhatsApp in the inbox and a customer service agent | Answers and qualifies the lead who wants to buy |
| Connection | Native in the CRM | OAuth 2.0 and webhooks against the API |
| Context | Your company's information | Live data on the contact and the deal |
| Handoff | Hands off to a person when needed | Escalates to the sales rep only when it's worth it |
| Pipeline | Your team and your workflows move it | Creates the deal and moves it through stages |
Comparison of patterns. HubSpot's plans and features change often: check the current ones in its documentation. The agent's scope is defined with your team based on your account, your plan and your pipelines.
Your data stays in your account: the agent reads and updates your HubSpot through the API; it doesn't move your database anywhere else. The connection uses the scopes you authorize, and every operation is logged and auditable.
Tell us how your HubSpot is set up and we'll tell you what data we need and where the agent connects.
| Standalone AI tool | Agent connected to your HubSpot | |
|---|---|---|
| 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 HubSpot |
| 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 |
Third-party figures, each with its published source, to size the opportunity. None of them is a Vantegrate result.
35%
Of the US companies that buy CRM software through Ramp use HubSpot, second only to Salesforce at 75%
306,000
Customers worldwide use HubSpot, by the company's own count
95%
Of generative AI pilots never reach production with measurable business impact
Ramp's figure reflects companies in its own customer base, which leans toward venture-backed tech firms, so read it as relative adoption, not national market share. HubSpot's customer count is global and reported by HubSpot itself. The MIT NANDA figure reflects the gap between experimenting with AI agents and running them in production.
Every product in the suite uses the same integration through the official API: it works with your account's data in real time and logs the result where it belongs.
Sales agent on WhatsApp: answers, qualifies and quotes with your account's data, creates deals and moves them through stages, and logs every conversation on the contact's timeline.
Explore SelliumMarketing and win-back agent: re-engages contacts on WhatsApp using the segments already in your HubSpot, a strong fit for customers in markets where WhatsApp is the default channel.
Explore RevioThe principle is simple: AI comes to your data, not your data to the AI. The agent reads and updates your HubSpot through the official API, with the scopes you authorize, and the agents run on certified cloud infrastructure.
What sales and IT teams usually ask before connecting an AI agent to their CRM.
Through a connection to the official HubSpot API using OAuth 2.0 and webhooks. The agent reads and writes your contacts, deals and tickets, qualifies the lead on WhatsApp, moves it through your pipeline and logs every conversation on the contact's timeline. Vantegrate handles the setup and rollout; your team authorizes the scopes, validates and starts using it. Learn about the sales agent in Sellium.
Yes. HubSpot connects the WhatsApp Business channel to its conversations inbox (on Professional plans and above), and according to HubSpot its customer service agent, Customer Agent, answers on chat, email, WhatsApp and Messenger and takes phone calls using your company's information, and hands off to a person when needed. Vantegrate's agent aims at something else: selling on top of your CRM, qualifying every lead and creating and moving the deal in your pipeline. The two can coexist with a clear rule about who handles what.
It depends on the scope. If the integration serves several accounts, it uses OAuth 2.0, with a short-lived access token and a refresh token; if it's for a single account, a private app with its access token is enough. Either way, access is limited by scopes based on the data the agent needs.
The agent reads and updates your account through the API; it doesn't copy your database anywhere else. Your contacts, deals and conversations stay in your HubSpot account, and access uses scopes and least-privilege permissions, with every operation logged. The principle is that AI comes to your data, not your data to the AI.
Yes, in conversations the contact starts. WhatsApp reaches 32% of US adults and 56% of Hispanic adults (Pew Research Center), so for a US team it works best as one more channel next to the email, chat and forms you already run in HubSpot. Meta does not deliver WhatsApp marketing templates to US numbers (Meta), so the agent fits inbound leads who write in and customers in markets where WhatsApp is the default channel. Either way, every conversation lands on the same contact and deal in your HubSpot.
How the agent answers, qualifies and moves deals through your pipeline with your account's data.
Learn moreThe full map: the CRMs, ERPs and tools the AI agents connect to.
Learn moreThe full Vantegrate suite: sales, marketing, documents, data and logistics.
Learn moreTell us how your account is set up and we'll show you what the agent reads, which scopes we request and how lead qualification on WhatsApp lands in your pipeline. A 30-minute conversation, no commitment.
Francisco Morales, co-founder, takes your call. We reply on WhatsApp within 4 business hours, no strings attached.
