Realphonevalidation
RealPhoneValidation offers real-time phone number validation services, providing information on connectivity, phone type, carrier, and more.
Verdict
Common use cases
- Scrub lead lists before cold calling
- Verify customer phone numbers at checkout
- Check TCPA compliance for wireless lines
- Validate email addresses in signup forms
- Detect reassigned numbers in CRM
Integration
- Vendor
- Realphonevalidation
- Category
- other
- Auth
- API_KEY
- Tools
- 6
- Composio slug
realphonevalidation
Tools
- Check Phone Active Status
Tool to determine if a phone number is active on a valid phone service provider. use after collecting the user's phone number for real-time verification.
- Email Verification
Tool to validate an email address and check connectivity and disposability. use after gathering an email to ensure it's deliverable and not disposable.
- Reassigned Number Lookup
Tool to check if a phone number has been reassigned since a given consent date. use when verifying number ownership status after obtaining user consent.
- RPV Turbo V3 Phone Validation
Tool to perform real-time phone number validation (status, type, carrier, caller name/type). use after collecting a 10-digit us phone number in webforms or crm for immediate validation.
- Scrub Plus Phone Numbers
Tool to scrub phone numbers in bulk for connection status and type. use when validating multiple numbers at once.
- Wireless ID
Tool to identify whether a us phone number is landline or wireless. use when conducting tcpa compliance checks.
Setup
Setup guide
- 11. Open your Switchy workspace and navigate to Settings > Integrations > MCP Servers. 2. Click 'Add MCP Server' and select Realphonevalidation from the list. 3. Log into your Realphonevalidation account, go to API Settings, and copy your API key. 4. Paste the key into Switchy's configuration field and click 'Connect'. 5. Switchy will confirm the connection — you'll see a green checkmark next to Realphonevalidation. 6. Open any Space, type '@Realphonevalidation check if (555) 123-4567 is active' and send the message. 7. The MCP will return the number's status, carrier, and line type within seconds. 8. For bulk validation, upload a CSV to the Space and ask '@Realphonevalidation to scrub these numbers for connection status'.
What teammates see: by default, memories from Realphonevalidation are scoped to the Space (PROJECT visibility) - you can mark any memory PRIVATE or share it ORG-wide.
Works well with
Top models
Compatibility data appears once enough Spaces have used this MCP together with a given model.
How Switchy teams use it
Starter prompts
Check Number Active Status
@Realphonevalidation check if (202) 555-0147 is active and tell me the carrier and line typeOpen in a Space →
Validate Email Deliverability
@Realphonevalidation verify the email address contact@example.com and check if it's disposable or deliverableOpen in a Space →
Detect Reassigned Numbers
@Realphonevalidation check if (415) 555-0198 was reassigned since January 15, 2023Open in a Space →
Identify Wireless vs Landline
@Realphonevalidation tell me if (312) 555-0176 is a wireless or landline numberOpen in a Space →
Bulk Scrub Contact List
@Realphonevalidation scrub these numbers for active status and line type: (555) 123-4567, (555) 234-5678, (555) 345-6789Open in a Space →
Example outputs
Illustrative - representative of the model's voice and quality, not literal recordings.
@realphonevalidation check if (555) 123-4567 is active and get the carrier name before I add this lead to our CRM
The number (555) 123-4567 appears active on Verizon Wireless. Line type: Mobile. The number is currently in service and reachable. Caller name lookup returned 'John Martinez' with type 'Consumer'. This validation used the RPV Turbo V3 endpoint and reflects real-time carrier data as of this query.
This example shows real-time validation of a single number — the core use case for webform or CRM intake. Requires an API key with credits. The carrier and caller-name fields depend on what the underlying telecom databases return; some numbers may have incomplete metadata.
@realphonevalidation I have consent from 2022-08-15 for (555) 987-6543 — has this number been reassigned since then?
Reassignment check complete. The number (555) 987-6543 was reassigned on 2023-03-22, after your consent date of 2022-08-15. The current subscriber is different from the original party. You should obtain fresh consent before contacting this number to remain TCPA-compliant.
This example highlights the reassignment-lookup tool, critical for compliance teams managing aged contact lists. The tool requires a consent date parameter and returns a boolean plus reassignment timestamp. Rate limits apply; bulk checks should use the batch scrub endpoint instead.
@realphonevalidation verify sarah.jones.temp.mail.4u@example.com and tell me if it's a disposable address or a real inbox
Email validation result: sarah.jones.temp.mail.4u@example.com is flagged as a disposable email address. The domain 'example.com' is on known temporary-mail provider lists. SMTP connectivity check shows the mailbox exists, but messages are likely auto-deleted after a short window. Recommendation: reject this address at signup or require a non-disposable alternative.
This example demonstrates the email-verification tool, useful for filtering out throwaway addresses during account creation. The tool checks syntax, domain reputation, and disposability flags. It does not guarantee deliverability (inbox full, spam filters), only that the address structurally exists.
Use-case deep-dives
When Realphonevalidation stops junk leads at intake
A 6-person B2B sales team runs paid ads to a demo request form and burns hours calling disconnected numbers or disposable emails. Realphonevalidation's RPV Turbo V3 and Email Verification tools catch bad data at form submission—before it hits the CRM. The team wires the MCP into their Typeform webhook so every submission gets validated in real time. Active phone check plus disposable email filter cuts their junk-lead rate from 22% to under 5%. The trade-off: you pay per validation, so high-volume consumer funnels (500+ leads/day) rack up costs fast. If your ACV is over $5k and you're spending on ads, this MCP pays for itself in saved rep time within the first billing cycle.
How Realphonevalidation keeps your outbound texting legal
A 3-person marketing team at a local service business wants to launch SMS appointment reminders but can't risk TCPA violations (landline texts = $500–$1500 per incident). They use Realphonevalidation's Wireless ID tool to scrub their 1,200-contact list before the first send. The MCP flags 140 landlines and 18 reassigned numbers—removing them from the campaign prevents potential five-figure fines. Reassigned Number Lookup is the killer feature here: it checks if a number changed owners since the customer opted in, which standard carrier lookups miss. The limit: this MCP doesn't handle consent management or message delivery—it's purely a validation layer. If you're texting customers and don't have a compliance process, wire this in before your first campaign goes live.
When phone validation speeds up support queue routing
A 9-person support team at a SaaS company gets 80–100 callback requests daily through their help center. Half the submitted numbers are typos, disconnected lines, or VoIP numbers that drop calls. They integrate Realphonevalidation's Check Phone Active Status tool into their ticketing system so agents see validation results before dialing. Active numbers with carrier info get priority routing; flagged numbers trigger an automated email asking the customer to confirm contact details. First-call resolution rate jumps 19% because agents stop wasting time on bad numbers. The catch: the MCP doesn't integrate directly with most ticketing platforms—you'll need a middleware step (Zapier, Make, or custom API). If your team makes 30+ outbound calls a day and callback accuracy is a problem, this MCP cuts dial waste immediately.
Frequently asked
What does the Realphonevalidation MCP do in Switchy?
It validates phone numbers and email addresses in real time during conversations. When a user shares contact info, the MCP checks if the phone is active, identifies carrier and line type, flags reassigned numbers, and verifies email deliverability. You get instant validation without leaving the chat or switching to a separate tool.
Do I need admin access to set up Realphonevalidation?
You need an API key from Realphonevalidation, which typically requires account owner or admin privileges on their platform. Once you have the key, any Switchy workspace member with integration permissions can connect it. The API key authenticates all requests, so keep it restricted to trusted team members.
Can the MCP validate international phone numbers?
Most tools focus on US 10-digit numbers, especially for carrier lookup and TCPA compliance checks. The reassigned number and turbo validation tools explicitly target US formats. If you need international validation, test with your specific country codes first or use the email verification tool, which works globally.
Why use this MCP instead of calling Realphonevalidation's API directly?
The MCP validates contact info mid-conversation without writing integration code or managing API credentials in your app. You ask the AI to check a number, it calls the tool, and you get structured results instantly. Direct API use makes sense for batch processing or automated pipelines outside Switchy.
Does phone validation count against my Switchy plan limits?
Switchy doesn't charge per validation, but Realphonevalidation bills per API call on their end. Each tool invocation consumes one request from your Realphonevalidation quota. Check their pricing to understand per-lookup costs, especially if you're scrubbing phone lists in bulk using the Scrub Plus tool.