# Listar, free, Start for free, POST /search/verify-phone-ownership: Phone validation API

> Vérifie si 1 à 10 numéros (format +E164) appartiennent à la personne donnée, à partir des comptes de messagerie liés au numéro (photo et nom), des vérifications passées et de notre index.

Listar's phone validation API on its Start for free plan, $0.00 per 1,000 phones. 6 of the 9 key fields: Number, Its check, Type, Carrier, Place, Owner.

- This page: https://datacircle.dev/validate-phone-apis/listar/free-start-for-free-post-search-verify-phone-ownership
- Get it: https://listar.fr/en/pricing
- Its API docs: https://api.listar.fr/docs#tag/person-enrichment/POST/search/verify-phone-ownership
- Sold by: Listar (https://listar.fr)
- Checked: 2026-10-20

## In the answer

- Completeness: 67%
- Number: ✓
- Its check: ✓
- Type: ✓
- Carrier: ✓
- Place: ✓
- Owner: ✓

## Price

- $ per 1,000: $0.00
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Per: result
- Also pays for: from the same budget: Enrichir une personne · Enrichir en masse (jusqu’à 10 000 contacts) · Vérifier des emails · Vérifier des numéros WhatsApp · Lancer une recherche entreprise

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Vérifie si 1 à 10 numéros (format +E164) appartiennent à la personne donnée, à partir des comptes de messagerie liés au numéro (photo et nom), des vérifications passées et de notre index.

## Data

- Freshness: live
- Keep data: no limit
- Use data: “Users agree to use Listar exclusively for legitimate professional purposes, including: B2B sales prospecting, CRM database enrichment, Professional recruiting, Targeted B2B marketing”, “It is strictly forbidden to use Listar to: Harass or harm individuals, Collect data for non-professional purposes, Resell data to third parties without authorization, Engage in any activity contrary to law or public order, Send mass unsolicited communications (spam)”

## Plan

- Pay: €0
- You get: 5 credits
- Enough for: 100 results

## Rate limit

- Per second: 1
- Batch: 10

## Speed

- Answer: in the call

## The call

- You send: contacts
- Method: POST
- Path: /search/verify-phone-ownership

## About the plan

- Plan: Start for free
- Who can get it: the first account created in an organisation, with an email address that is not disposable, from a sign-up country within Listar's commercial scope

## The 19 fields the plan's answer can hold

phone, status, reason, checked name, line type, country, carrier, virtual number, WhatsApp, WhatsApp Business, Telegram, face match, face match confidence, name match, name match confidence, recorded under other name, former owner, credit deducted, credit refunded

## Listar's plans (2)

- [Listar, free, Start for free, POST /search/verify-phone-ownership](https://datacircle.dev/validate-phone-apis/listar/free-start-for-free-post-search-verify-phone-ownership/llms.txt): $0.00 per 1,000, 67% complete, live
- [Listar, €10 pack, Starter, POST /search/verify-phone-ownership](https://datacircle.dev/validate-phone-apis/listar/10-pack-starter-post-search-verify-phone-ownership/llms.txt): $56.265 per 1,000, 67% complete, live

## Listar's calls (2)

- `POST /search/verify-whatsapp`: [Listar, free, Start for free, POST /search/verify-whatsapp](https://datacircle.dev/validate-phone-apis/listar/free-start-for-free-post-search-verify-whatsapp/llms.txt)
- `POST /search/verify-phone-ownership`: [Listar, free, Start for free, POST /search/verify-phone-ownership](https://datacircle.dev/validate-phone-apis/listar/free-start-for-free-post-search-verify-phone-ownership/llms.txt)

## Similar plans of other providers

- [Twilio, top-up](https://datacircle.dev/validate-phone-apis/twilio/top-up/llms.txt): $0.00 per 1,000, 89% complete, live
- [Loqate, free](https://datacircle.dev/validate-phone-apis/loqate/free/llms.txt): $0.00 per 1,000, 78% complete, live
- [seven.io, free, test credit, GET /api/lookup/hlr](https://datacircle.dev/validate-phone-apis/seven-io/free-test-credit-get-api-lookup-hlr/llms.txt): $0.00 per 1,000, 78% complete, live
- [RealPhoneValidation, free](https://datacircle.dev/validate-phone-apis/realphonevalidation/free/llms.txt): $0.00 per 1,000, 44% 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 2026-10-20.

- https://api.listar.fr/docs
- https://api.listar.fr/openapi.json
- https://listar.fr/en/pricing
- https://listar.fr/en/privacy-policy
- https://listar.fr/en/terms