# Vonage, top-up, Pay per Request, POST /requests, Original Carrier insight: Phone validation API

> The Vonage Identity Insights API provides real-time access to a broad range of attributes related to the carrier, subscriber, or device associated with a phone number.

Vonage's phone validation API on its Pay per Request plan. It costs $1.17 per 1,000 phones. It returns 3 of the 9 key fields we check: Validity, Type, Carrier.
Half of the 614 plans we rank by price cost $2.476 per 1,000 phones or less. This plan is cheaper than 58% of the 614 plans.
[Botoi's $199 monthly plan](https://datacircle.dev/validate-phone-apis/botoi/199-monthly/llms.txt) is the cheapest paid plan per 1,000 phones: as little as $0.0066. Botoi's $199 monthly plan covers up to 1,000,000 phones a day.
[Data247](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone/llms.txt), [Abstract API](https://datacircle.dev/validate-phone-apis/abstract-api/19-monthly-starter-5000-requests-month/llms.txt) and [Listar](https://datacircle.dev/validate-phone-apis/listar/top-up-from-10-starter-post-search-verify-whatsapp/llms.txt) are the best phone validation API providers in our benchmark.

- This page: https://datacircle.dev/validate-phone-apis/vonage/top-up-pay-per-request-post-requests-original-carrier-insight
- [Best phone validation API in 2026](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://www.vonage.co.uk/communications-apis/identity-insights/pricing/
- Request: `POST https://api-eu.vonage.com/identity-insights/v1/requests`, Original Carrier insight
- API key: with the plan, on https://www.vonage.co.uk/communications-apis/identity-insights/pricing/
- Its API docs: https://developer.vonage.com/en/api/identity-insights
- Sold by: Vonage (https://www.vonage.com)
- Checked: 2026-10-28

## In the answer

- Completeness: 33%
- Validity: ✓
- Type: ✓
- Carrier: ✓

## Price

- $ per 1,000 phones: $1.17
- Per: call
- Billing: pay first

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Identity Insights API Current Carrier insight · Identity Insights API SIM Swap insight · Identity Insights API Subscriber Match insight

## In their words

- Their pitch: The Vonage Identity Insights API provides real-time access to a broad range of attributes related to the carrier, subscriber, or device associated with a phone number.

## Data

- Freshness: stored
- What it checks: numbering plan
- Keep data: as Vonage's Identity Insights supplemental terms set, whose text its site doesn't serve
- Use data: business use only, the service not resold except within your own application, and as Vonage's Identity Insights supplemental terms set, whose text its site doesn't serve

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: phone_number, insights.original_carrier. Optional: purpose
- Method: POST
- Path: /requests

## About the plan

- Plan: Pay per Request
- Who can get it: organizations, or individuals acting mainly for business purposes

## The 7 fields the plan's answer can hold

request ID, original carrier, original line type, original carrier country code, original MCC-MNC, data status, status message

## Vonage's plans (2)

- [Vonage, top-up, Pay per Request, POST /requests, Original Carrier insight](https://datacircle.dev/validate-phone-apis/vonage/top-up-pay-per-request-post-requests-original-carrier-insight/llms.txt): $1.17 per 1,000, 33% complete, stored
- [Vonage, contact us, Specific pricing by country, POST /requests, Original Carrier insight](https://datacircle.dev/validate-phone-apis/vonage/contact-us-specific-pricing-by-country-post-requests-original-carrier-insight/llms.txt): 33% complete, stored

## Vonage's calls (3)

- `POST /requests`, Current Carrier insight: [Vonage, top-up, Pay per Request, POST /requests, Current Carrier insight](https://datacircle.dev/validate-phone-apis/vonage/top-up/llms.txt)
- `POST /requests`, Format insight: [Vonage, top-up, Pay per Request, POST /requests, Format insight](https://datacircle.dev/validate-phone-apis/vonage/top-up-pay-per-request-post-requests-format-insight/llms.txt)
- `POST /requests`, Original Carrier insight: [Vonage, top-up, Pay per Request, POST /requests, Original Carrier insight](https://datacircle.dev/validate-phone-apis/vonage/top-up-pay-per-request-post-requests-original-carrier-insight/llms.txt)

## Vonage's APIs (1)

- [Vonage: phone validation API pricing, 2 plans, POST /requests, Original Carrier insight](https://datacircle.dev/validate-phone-apis/vonage/top-up-pay-per-request-post-requests-original-carrier-insight/llms.txt)

## Vonage: phone validation API alternatives

- [CallerAPI, $8,000 monthly, Enterprise transparency $8,000, GET /api/lookup/{phone}](https://datacircle.dev/validate-phone-apis/callerapi/8000-monthly-enterprise-transparency-8000-get-api-lookup-phone/llms.txt): $1.143 per 1,000, 78% complete, stored
- [Veriphone, $119 pack, 100,000 credits, GET /v3/verify, /v3/verify](https://datacircle.dev/validate-phone-apis/veriphone/119-pack-100000-credits-get-v3-verify-v3-verify/llms.txt): $1.19 per 1,000, 78% complete, stored
- [APILayer, $59.99 monthly, Professional Plan](https://datacircle.dev/validate-phone-apis/apilayer/59-99-monthly-professional-plan/llms.txt): $1.20 per 1,000, 67% complete, stored
- [ProWebLook, $12 monthly](https://datacircle.dev/validate-phone-apis/proweblook/12-monthly/llms.txt): $1.20 per 1,000, 67% complete, stored

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-28.

- https://developer.vonage.com/api/v1/developer/api/file/identity-insights?format=yml
- https://developer.vonage.com/en/account/guides/payments
- https://developer.vonage.com/en/api/identity-insights
- https://developer.vonage.com/en/identity-insights/guides/number-insights-transition
- https://developer.vonage.com/en/identity-insights/overview
- https://www.vonage.co.uk/communications-apis/identity-insights/pricing/
- https://www.vonage.com/legal/communications-apis/supplemental-terms/identity-insights/
- https://www.vonage.com/legal/communications-apis/terms-of-use/