# ByeBouncer, free, POST /api/v1/verify-phone/carrier, Look up carrier data for a phone number: Phone validation API

> Includes format validation and available carrier and line-type data. There is no extra format-validation charge or automatic mobile network lookup.

ByeBouncer's Free plan for the phone validation API costs $0.00 per 1,000 phones. We check each provider's docs for 9 fields. ByeBouncer's docs list 7 of the 9. 6 are in the plan's price: Number, Formats, Validity, Type, Carrier, Place. 1 costs extra: Porting and roaming.
We haven't run ByeBouncer through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
This plan is free. We rank 1,340 plans for phone validation APIs by price. Half the plans cost $2.923 or less per 1,000 phones. [298 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/byebouncer/free-post-api-v1-verify-phone-carrier
- [Phone validation API in 2026: the best of 70+ compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://www.byebouncer.com/en?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing#precios
- Request: `POST https://api.byebouncer.com/api/v1/verify-phone/carrier`, Look up carrier data for a phone number
- API key: with the plan, on https://www.byebouncer.com/en?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing#precios
- Its API docs: https://www.byebouncer.com/en/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: ByeBouncer (https://byebouncer.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-11

## In the answer

- Completeness: 78%
- Number: ✓
- Formats: ✓
- Validity: ✓
- Type: ✓
- Carrier: ✓
- Porting and roaming: ✓ costs more
- Place: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Repeat free: never
- Extra fields: live status, connected, ported, roaming, roaming country, current network, origin network, ported network, number type, contactability, live cached, live credits charged, live checked at, live provider used, live duration: +$0.00
- Also pays for: from the same budget: Verify a single email (dedicated endpoint) · Verify a single IP address · Validate and normalize a phone number · Validate a phone number locally (numbering plan only) · Check the last observed network status of a phone line (HLR) · Verify a lead across email, IP and phone in one call · Create a bulk verification job

## Not found

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

## In their words

- Their pitch: Includes format validation and available carrier and line-type data. There is no extra format-validation charge or automatic mobile network lookup.

## Data

- Freshness: 2 days
- What it checks: numbering plan, carrier
- Keep data: no time limit set, "They do not authorize creating an independent database"
- Use data: You may not use ByeBouncer to: Verify data obtained through breaches, unauthorized access or unlawful sources. Create spam lists or make unsolicited calls or send unsolicited SMS or messages in violation of the law. Track, harass, monitor or identify people without a legitimate basis. Attack networks, bypass technical limits or interfere with the service. Resell API output as a competing service without a written agreement. Use the service in violation of applicable sanctions or export controls. Use phone checks to facilitate pornography or adult entertainment, impersonation, phishing, fraud or abusive communications. [...] Number enumeration, enrichment, bulk extraction or data redistribution without a lawful purpose and the necessary rights are not permitted. [...] Results are made available only for the contracted validation purpose and within the rights available for each source, data field and territory. They do not authorize creating an independent database, reselling source data or reusing it for another purpose without the necessary rights.

## Plan

- Pay: $0
- You get: 30 credits
- Enough for: 10 calls, once

## Rate limit

- Per second: 2.78 (10,000 an hour)
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: phone. Optional: default_country, expected_country, ip_country, ip, live, result_format
- Method: POST
- Path: /api/v1/verify-phone/carrier

## About the plan

- Plan: Free
- Who can get it: anyone aged 18 or over with the legal capacity to contract

## The 33 fields the plan's answer can hold

phone, phone hash, normalized phone, national format, valid, status, verdict, flags, country, country calling code, line type, signals, level, score, reasons, cached, time taken, verified at, checked at, result format, execution status, deliverability, checks, attributes, observed at, credits charged, credits remaining, carrier, MCC, MNC, WhatsApp likelihood, provider used, provider data

## ByeBouncer's plans (7)

- [ByeBouncer, free, POST /api/v1/verify-phone/carrier, Look up carrier data for a phone number](https://datacircle.dev/validate-phone-apis/byebouncer/free-post-api-v1-verify-phone-carrier/llms.txt): $0.00 per 1,000, 78% complete, 2 days
- [ByeBouncer, $10 pack, Pack XS, POST /api/v1/verify-phone/carrier, Look up carrier data for a phone number](https://datacircle.dev/validate-phone-apis/byebouncer/10-pack-pack-xs-post-api-v1-verify-phone-carrier/llms.txt): $15.00 per 1,000, 78% complete, 2 days
- [ByeBouncer, $45 pack, Pack S, POST /api/v1/verify-phone/carrier, Look up carrier data for a phone number](https://datacircle.dev/validate-phone-apis/byebouncer/45-pack-pack-s-post-api-v1-verify-phone-carrier/llms.txt): $13.50 per 1,000, 78% complete, 2 days
- [ByeBouncer, $105 pack, Pack M, POST /api/v1/verify-phone/carrier, Look up carrier data for a phone number](https://datacircle.dev/validate-phone-apis/byebouncer/105-pack-pack-m-post-api-v1-verify-phone-carrier/llms.txt): $12.60 per 1,000, 78% complete, 2 days
- [ByeBouncer, $200 pack, Pack L, POST /api/v1/verify-phone/carrier, Look up carrier data for a phone number](https://datacircle.dev/validate-phone-apis/byebouncer/200-pack-pack-l-post-api-v1-verify-phone-carrier/llms.txt): $12.00 per 1,000, 78% complete, 2 days
- [ByeBouncer, $380 pack, Pack XL, POST /api/v1/verify-phone/carrier, Look up carrier data for a phone number](https://datacircle.dev/validate-phone-apis/byebouncer/380-pack-pack-xl-post-api-v1-verify-phone-carrier/llms.txt): $11.40 per 1,000, 78% complete, 2 days
- [ByeBouncer, $700 pack, Pack XXL, POST /api/v1/verify-phone/carrier, Look up carrier data for a phone number](https://datacircle.dev/validate-phone-apis/byebouncer/700-pack-pack-xxl-post-api-v1-verify-phone-carrier/llms.txt): $10.50 per 1,000, 78% complete, 2 days

## ByeBouncer's calls for this API (4)

- `POST /api/v1/verify-phone/live`: [ByeBouncer, free, POST /api/v1/verify-phone/live](https://datacircle.dev/validate-phone-apis/byebouncer/free-post-api-v1-verify-phone-live/llms.txt)
- `POST /api/v1/verify-phone/carrier`, Look up carrier data for a phone number: [ByeBouncer, free, POST /api/v1/verify-phone/carrier, Look up carrier data for a phone number](https://datacircle.dev/validate-phone-apis/byebouncer/free-post-api-v1-verify-phone-carrier/llms.txt)
- `POST /api/v1/verify-phone/carrier`, Look up carrier data for a phone number, full: [ByeBouncer, free, POST /api/v1/verify-phone/carrier, Look up carrier data for a phone number, full](https://datacircle.dev/validate-phone-apis/byebouncer/free-post-api-v1-verify-phone-carrier-look-up-carrier-data-for-a-phone-number-full/llms.txt)
- `POST /api/v1/verify-phone/local`: [ByeBouncer, free, POST /api/v1/verify-phone/local](https://datacircle.dev/validate-phone-apis/byebouncer/free-post-api-v1-verify-phone-local/llms.txt)

## ByeBouncer's APIs (2)

- [ByeBouncer Phone validation API pricing, 7 plans, carrier, Look up carrier data for a phone number](https://datacircle.dev/validate-phone-apis/byebouncer/free-post-api-v1-verify-phone-carrier/llms.txt)
- [ByeBouncer Email verification API pricing, 7 plans, POST /api/v1/bulk](https://datacircle.dev/validate-email-apis/byebouncer/free-post-api-v1-bulk/llms.txt)
- [ByeBouncer Email verification API pricing, 7 plans, POST /api/v1/verify-email](https://datacircle.dev/validate-email-apis/byebouncer/free-post-api-v1-verify-email/llms.txt)

## ByeBouncer: phone validation API alternatives

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

We list ByeBouncer's cheapest paid plan first. Next we list other providers' plans closest to ByeBouncer in price per 1,000 phones. Each plan in the list gives live data or data at most a week old.

- [ByeBouncer, $700 pack, Pack XXL, POST /api/v1/verify-phone/carrier, Look up carrier data for a phone number](https://datacircle.dev/validate-phone-apis/byebouncer/700-pack-pack-xxl-post-api-v1-verify-phone-carrier/llms.txt): $10.50 per 1,000, 78% complete, 2 days
- [APISpace, CNY 350 pack](https://datacircle.dev/validate-phone-apis/apispace/cny-350-pack/llms.txt): $10.469 per 1,000, 56% complete, live
- [TanshuAPI, CNY 7,000 pack](https://datacircle.dev/validate-phone-apis/tanshuapi/cny-7000-pack/llms.txt): $10.469 per 1,000, 44% complete, live
- [Huajidata, CNY 1,400 pack](https://datacircle.dev/validate-phone-apis/huajidata/cny-1400-pack/llms.txt): $10.469 per 1,000, 11% complete, live
- [SMSC.ru, top-up from ₽1,000, Tariff plan 2, other countries](https://datacircle.dev/validate-phone-apis/smsc-ru/top-up-from-1000-tariff-plan-2-other-countries/llms.txt): $10.506 per 1,000, 56% 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 2026-11-11.

- https://www.byebouncer.com/downloads/openapi.yaml?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.byebouncer.com/en?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing#precios
- https://www.byebouncer.com/en/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.byebouncer.com/en/privacy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.byebouncer.com/en/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.byebouncer.com/en/verify-email?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.byebouncer.com/en/verify-ip?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.byebouncer.com/en/verify-phone?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing