WhatsApp Number Validator
Analytics & DataCheck in real time whether phone numbers are registered on WhatsApp and whether the account is a WhatsApp Business account. Agents confirm reachability before a campaign spends a message on a dead number.
What This Integration Enables
Every other validator in this category answers whether a phone number is real. This one answers something different and more useful to anyone running WhatsApp: whether the person behind the number can be reached on that channel at all. Those are not the same question. A number can be perfectly valid, in service, and mobile, and still have no WhatsApp account attached to it. Validating it as a phone number tells you nothing about whether your message will land. Validate WhatsApp Number closes that gap by reporting, in real time, whether a number is registered on WhatsApp and whether the account behind it is a WhatsApp Business account rather than a personal one.
The business account flag turns a hygiene check into a routing decision. Messaging a company's support line and messaging a private individual are different acts with different tone, different templates, and in many jurisdictions different consent expectations. Check WhatsApp Business Account isolates that signal so the workflow can branch on it. Three further actions round it out. Validate WhatsApp Numbers In Bulk handles up to 25 numbers per call for list work. Validate Phone Number checks the number independently of any messaging platform, and proposes alternative valid numbers when the digits supplied are missing or carrying the wrong country code. Check Service Availability confirms the provider is up before any of it runs. Pair the connector with the WhatsApp Business connector and the agent verifies reachability and then sends through the same flow.
Without FlowRunner
With FlowRunner
Use Case Scenarios
Cleaning a campaign list before the credits are spent
A campaign audience of several thousand contacts is staged. Rather than sending into it, the agent walks it through Validate WhatsApp Numbers In Bulk in batches of 25, which is a fraction of the round trips one call per number would take. Numbers with no WhatsApp registration are pulled out of the send and routed to an email fallback in ActiveCampaign instead of being dropped. The campaign goes out to an audience that can actually receive it, and the contacts who cannot are still contacted, just somewhere else.
Splitting business accounts from personal accounts at capture
An inbound lead form collects a WhatsApp number. The agent calls Check WhatsApp Business Account as the record is created. A business account tags the lead as a company contact, writes the account type into HubSpot, and puts it on a B2B sequence with a business-appropriate opening template. A personal account takes the consumer path with a lighter template and a stricter frequency cap. One field, read once at capture, decides how the relationship is conducted from then on.
Repairing contact records with the wrong country code
A CRM inherited from an acquisition holds numbers stored without country codes, or with the acquiring company's country code applied to everyone. The agent runs Validate Phone Number over them, and where a number is not valid, reads back the alternative valid numbers proposed for the countries associated with the digits supplied. Records where exactly one candidate exists are repaired and re-checked for WhatsApp registration. Records with several candidates are held as automation exceptions for a person to resolve, because guessing which country a customer lives in is not a decision an agent should make quietly.
Human-in-Loop Highlight
Check Service Availability exists because this connector's answer can be wrong for reasons that have nothing to do with the numbers. If the provider is degraded or the key stops being accepted, the failure mode is not an obvious outage: it is a run in which number after number comes back not registered. An agent that writes those verdicts onto customer records will mark a whole audience unreachable on the strength of somebody else's bad afternoon, and because "not on WhatsApp" is a plausible thing for a contact to be, nobody will question the data for months. So the agent watches the shape of the result, not just the values. It calls Check Service Availability before the run, and after the run it compares the not-registered rate against previous runs of the same audience. When the rate is far outside the normal band it stops and asks: "Batch of 3,400 came back 71 percent not registered. The last four runs of this audience averaged 12 percent. Service check passed. Write these results, re-run in an hour, or hold the campaign?" Nothing is written to a contact record until a person answers. A validator that is wrong about a customer is worse than a validator that is slow, and the agent is built to prefer slow.
Agent Capabilities
5 actionsWhatsApp Reachability
3- Validate WhatsApp Number Checks in real time whether a single phone number is registered on WhatsApp and whether the account is a WhatsApp Business account. Used to qualify an inbound lead, to decide whether a contact can be reached on the channel at all, or to check one record on demand. The number must be supplied with its country code and without a leading plus sign or separators.
- Validate WhatsApp Numbers In Bulk Checks up to 25 numbers in a single call and reports registration status and business account status for each. Used for list work, where one call per number would multiply round trips without adding information. Every number must include its country code, and requests carrying more than 25 are rejected before they reach the provider.
- Check WhatsApp Business Account Determines whether a number is registered on WhatsApp and, when it is, whether the account behind it is a business account rather than a personal one. Used to route business contacts down a different messaging path and to enrich CRM records with the account type.
Number Repair
1- Validate Phone Number Validates the number itself, independently of any messaging platform, and reports whether it is well formed and usable. When the number is not valid, the service proposes alternative valid numbers for the countries associated with the digits supplied, which is what makes it useful for repairing records that are missing a country code or carrying the wrong one.
Diagnostics
1- Check Service Availability Calls the provider health-check endpoint to confirm the validation service is reachable and the configured API key is accepted. Run at the start of a scenario, or on its own in a monitoring flow, so a credential or connectivity problem fails fast rather than being recorded as a list full of unreachable customers.
Frequently Asked Questions
What can FlowRunner do with WhatsApp Number Validator?
FlowRunner agents can run Validate WhatsApp Number, Validate WhatsApp Numbers In Bulk, and Check WhatsApp Business Account in WhatsApp Number Validator, plus 2 more actions.
Does connecting WhatsApp Number Validator to FlowRunner require OAuth?
No. WhatsApp Number Validator connects to FlowRunner with an API key, no OAuth flow required.
Can WhatsApp Number Validator trigger a FlowRunner workflow automatically?
WhatsApp Number Validator doesn't currently expose triggers in FlowRunner. It connects as an action step inside workflows started by another trigger.
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