# Provero, free checks: Phone validation API

> Stop dialling dead numbers. An HLR lookup returns the number's network status and serving carrier, with porting information where available.

Provero's Free Checks plan for the phone validation API costs $0.00 per 1,000 phones. We check each provider's docs for 9 fields. Provero's docs list 4: Number, Validity, Carrier, Porting and roaming.
We haven't run Provero through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
This plan is free. We rank 1,327 plans for phone validation APIs by price. Half the plans cost $2.98 or less per 1,000 phones. [291 phone validation API plans on our price sheet are free.](https://datacircle.dev/best-phone-validation-api.txt) [Trestle](https://datacircle.dev/validate-phone-apis/trestle/free/llms.txt) has a free plan with 25 calls in total. Trestle is the best phone validation API in our benchmark.
[Linq's $260 monthly plan](https://datacircle.dev/validate-phone-apis/linq/260-monthly-pro-post-v3-capability-check-imessage/llms.txt) is the cheapest paid plan per 1,000 phones. Linq's phone validation API costs nothing beyond the plan price. [Keyronne's pay-as-you-go plan](https://datacircle.dev/validate-phone-apis/keyronne/pay-as-you-go/llms.txt) costs the least for 10,000 phones a month: $0.20.
[Trestle](https://datacircle.dev/validate-phone-apis/trestle/top-up-from-10-self-serve-pay-as-you-go-get-3-0-phone-intel-phone-validation-api/llms.txt), [Signal House](https://datacircle.dev/validate-phone-apis/signal-house/top-up-from-10/llms.txt) and [Data247](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone/llms.txt) are the best phone validation API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-phone-apis/provero/free-checks
- [Phone validation API in 2026: the best of 60+ compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://provero.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `POST https://api.provero.io/api/validate/phone`
- API key: with the plan, on https://provero.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://api.provero.io/docs/phone-hlr?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: Provero (https://provero.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-13

## In the answer

- Completeness: 44%
- Number: ✓
- Validity: ✓
- Carrier: ✓
- Porting and roaming: ✓

## Price

- $ per 1,000 phones: $0.00
- Per: call
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Repeat free: never
- Also pays for: from the same budget: Email verification · Phone format validation · Mobile type & tenure · Name validation · UK address lookup · UK address validation (PAF) · Global address lookup · Global address validation · Mobile network KYC · KYC Checks · Age verification · IP fraud detection · IP geolocation · SIM swap check · Breach detection · TPS/CTPS screening · Multi-validation

## Not found

- $ per 1,000 calls that find nothing: $0.00

## In their words

- Their pitch: Stop dialling dead numbers. An HLR lookup returns the number's network status and serving carrier, with porting information where available.

## Data

- Freshness: live
- What it checks: carrier, line in service
- Keep data: no limit
- Use data: The Customer may use Provero outputs to determine whether to accept, reject, suppress, route, enrich, score or deliver a lead, record or transaction to its own systems or agreed client endpoints, The Customer must not resell, repackage, publish, disclose, expose, sublicense or make available Provero outputs as a standalone data, validation, enrichment, scoring, fraud prevention, identity verification or similar product or service without Provero's prior written consent, The Customer must not resell access to Provero, the API, the Account, the Balance or Free Checks without Provero's prior written consent [...] You must not: use the Services unlawfully, submit data that you do not have the right or lawful basis to submit, use the Services as the sole basis for decisions that materially affect individuals without appropriate lawful basis, safeguards, human review and compliance processes, scrape, copy, harvest, benchmark, monitor, test or analyse the Services for competitive purposes, reverse engineer, decompile, disassemble or attempt to discover the source code, underlying logic, rules, models, datasets, scoring methods or systems used by Provero, attempt to bypass technical limits, rate limits, billing controls, authentication, security measures or usage restrictions, use the Services to build a competing product or service [...]

## Plan

- Pay: £0
- You get: 1,190 requests
- Enough for: 1,190 calls
- Expires: 30 days

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: phone. Optional: msisdn, route, detailed
- Method: POST
- Path: /api/validate/phone

## About the plan

- Plan: Free Checks
- Who can get it: new accounts, up to three Free Checks balances for a business

## The 32 fields the plan's answer can hold

phone number, status, live, dead, out of network, current network, original network, HLR response, error name, MCC and MNC, IMSI, original network name, original network prefix, original network country, original network country prefix, original network ID, ported, ported network name, ported network prefix, ported network country, ported network country prefix, ported network ID, status group ID, status group name, status ID, status name, status description, error group ID, error group name, error ID, error description, error permanent

## Provero's plans (10)

- [Provero, free checks](https://datacircle.dev/validate-phone-apis/provero/free-checks/llms.txt): $0.00 per 1,000, 44% complete, live
- [Provero, free, Phone format validation (free)](https://datacircle.dev/validate-phone-apis/provero/free-phone-format-validation-free/llms.txt): $0.00 per 1,000, 44% complete
- [Provero, top-up, First 5,000 requests a month](https://datacircle.dev/validate-phone-apis/provero/top-up-first-5000-requests-a-month/llms.txt): $5.601 per 1,000, 44% complete, live
- [Provero, top-up, 5,001 to 10,000 requests a month](https://datacircle.dev/validate-phone-apis/provero/top-up-5001-to-10000-requests-a-month/llms.txt): $5.201 per 1,000, 44% complete, live
- [Provero, top-up, 10,001 to 25,000 requests a month](https://datacircle.dev/validate-phone-apis/provero/top-up-10001-to-25000-requests-a-month/llms.txt): $4.801 per 1,000, 44% complete, live
- [Provero, top-up, 25,001 to 50,000 requests a month](https://datacircle.dev/validate-phone-apis/provero/top-up-25001-to-50000-requests-a-month/llms.txt): $4.534 per 1,000, 44% complete, live
- [Provero, top-up, 50,001 to 100,000 requests a month](https://datacircle.dev/validate-phone-apis/provero/top-up-50001-to-100000-requests-a-month/llms.txt): $4.200 per 1,000, 44% complete, live
- [Provero, top-up, 100,001 to 200,000 requests a month](https://datacircle.dev/validate-phone-apis/provero/top-up-100001-to-200000-requests-a-month/llms.txt): $3.867 per 1,000, 44% complete, live
- [Provero, top-up, 200,001 to 300,000 requests a month](https://datacircle.dev/validate-phone-apis/provero/top-up-200001-to-300000-requests-a-month/llms.txt): $3.467 per 1,000, 44% complete, live
- [Provero, top-up, 300,001+ requests a month](https://datacircle.dev/validate-phone-apis/provero/top-up-300001-requests-a-month/llms.txt): $3.067 per 1,000, 44% complete, live

## Provero's calls for this API (2)

- `POST /api/validate/phone`: [Provero, free checks](https://datacircle.dev/validate-phone-apis/provero/free-checks/llms.txt)
- `POST /api/validate/phone-basic`: [Provero, free, Phone format validation (free)](https://datacircle.dev/validate-phone-apis/provero/free-phone-format-validation-free/llms.txt)

## Provero's APIs (4)

- [Provero Do-not-call check API pricing, 8 plans](https://datacircle.dev/do-not-call-check-apis/provero/free/llms.txt)
- [Provero Email verification API pricing, 9 plans](https://datacircle.dev/validate-email-apis/provero/free/llms.txt)
- [Provero IP company lookup API pricing, 8 plans](https://datacircle.dev/ip-company-lookup-apis/provero/free/llms.txt)
- [Provero Phone validation API pricing, 10 plans](https://datacircle.dev/validate-phone-apis/provero/free-checks/llms.txt)

## Provero: phone validation API alternatives

[Provero alternatives: other phone validation API providers by price](https://datacircle.dev/provero-alternatives.txt)

We list Provero's cheapest paid plan first. Next we list other providers' plans closest to Provero in price per 1,000 phones. Each plan in the list gives live data.

- [Provero, top-up, 300,001+ requests a month](https://datacircle.dev/validate-phone-apis/provero/top-up-300001-requests-a-month/llms.txt): $3.067 per 1,000, 44% complete, live
- [MTS Exolve, top-up, Basic: 1-50,000 requests a month](https://datacircle.dev/validate-phone-apis/mts-exolve/top-up-1-50-000/llms.txt): $2.985 per 1,000, 33% complete, live
- [CheckThatPhone, $30 monthly](https://datacircle.dev/validate-phone-apis/checkthatphone/30-monthly/llms.txt): $3.00 per 1,000, 78% complete, live (deactivation date, state DNC: 7 days)
- [1s2u, $150 pack](https://datacircle.dev/validate-phone-apis/1s2u/150-pack/llms.txt): $3.00 per 1,000, 67% complete, live
- [HLR Lookup, £22.50 pack, 5,000 lookups, POST /apiv2/mnp, MNP-only lookup](https://datacircle.dev/validate-phone-apis/hlr-lookup/22-50-pack-5000-lookups-post-apiv2-mnp/llms.txt): $3.00 per 1,000, 89% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-13.

- https://api.provero.io/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://api.provero.io/docs/phone-hlr?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://provero.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://provero.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://provero.io/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing