# Prove, contact us, Contact sales, Trust Score Plus: Phone validation API

> Leverages Prove proprietary data, MNO/carrier data for real-time signals and Non-Consented signals to provide real-time identification of account takeover risk, device theft, and unauthorized SIM swap & ports.

Prove's phone validation API on its Contact sales plan. It returns 1 of the 9 key fields we check: Number.
We haven't run Prove through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
Prove gives this plan's price on request. We rank 768 plans for phone validation APIs by price. Half the plans cost $3.60 per 1,000 phones or less.
[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), [Foxentry](https://datacircle.dev/validate-phone-apis/foxentry/top-up-pay-as-you-go-post-phone-validate-validate-phone-number-extended/llms.txt) and [HLR Lookups](https://datacircle.dev/validate-phone-apis/hlr-lookups/top-up-1-1m-post-hlr-lookup/llms.txt) are the best phone validation API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-phone-apis/prove/contact-us-contact-sales-trust-score-plus
- [Phone validation API: 40+ providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://www.prove.com/api-studio?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: Docs behind sign-up, Trust Score Plus
- API key: with the plan, on https://www.prove.com/api-studio?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://www.prove.com/api-studio?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: Prove (https://www.prove.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 11%
- Number: ✓

## Price

- Billing: contact

## Aggregators

- Aggregators: none

## In their words

- Their pitch: Leverages Prove proprietary data, MNO/carrier data for real-time signals and Non-Consented signals to provide real-time identification of account takeover risk, device theft, and unauthorized SIM swap & ports.

## Data

- Keep data: no API terms
- Use data: no API terms

## The call

- You send: Docs behind sign-up

## About the plan

- Plan: Contact sales
- Who can get it: businesses under a commercial agreement with Prove

## The 6 fields the plan's answer can hold

trust score, reason code, account takeover risk, device theft risk, SIM swap risk, number port risk

## Prove's plans (1)

- [Prove, contact us, Contact sales, Trust Score Plus](https://datacircle.dev/validate-phone-apis/prove/contact-us-contact-sales-trust-score-plus/llms.txt): 11% complete

## Prove's calls for this API (3)

- Docs behind sign-up, Contact Enrichment: [Prove, contact us, Contact sales, Contact Enrichment](https://datacircle.dev/validate-phone-apis/prove/contact-us-contact-sales-contact-enrichment/llms.txt)
- Docs behind sign-up, Trust Score: [Prove, contact us, Contact sales, Trust Score](https://datacircle.dev/validate-phone-apis/prove/contact-us-contact-sales-trust-score/llms.txt)
- Docs behind sign-up, Trust Score Plus: [Prove, contact us, Contact sales, Trust Score Plus](https://datacircle.dev/validate-phone-apis/prove/contact-us-contact-sales-trust-score-plus/llms.txt)

## Prove's APIs (2)

- [Prove: people enrichment API pricing, 1 plan](https://datacircle.dev/person-enrichment-apis/prove/contact-us/llms.txt)
- [Prove: phone validation API pricing, 1 plan, Trust Score Plus](https://datacircle.dev/validate-phone-apis/prove/contact-us-contact-sales-trust-score-plus/llms.txt)

## Prove: phone validation API alternatives

- [CheckNumber.AI, contact us, Custom plan, POST /v1/tasks, Band Checker](https://datacircle.dev/validate-phone-apis/checknumber-ai/contact-us-custom-plan-post-v1-tasks-band-checker/llms.txt): 11% complete
- [Decentro, contact us](https://datacircle.dev/validate-phone-apis/decentro/contact-us/llms.txt): 11% complete
- [Maytapi, contact us](https://datacircle.dev/validate-phone-apis/maytapi/contact-us/llms.txt): 11% complete, live
- [PacificEast, contact us, Get a Quote, Line Identification Append](https://datacircle.dev/validate-phone-apis/pacificeast/contact-us-get-a-quote-line-identification-append/llms.txt): 11% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-04.

- https://developer.prove.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.prove.com/api-studio?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.prove.com/legal/prove-terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.prove.com/prove-pre-fill?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing