# iBlueText, free: Phone validation API

> Know which numbers are iPhones — before you spend.

iBlueText's Free trial plan for the phone validation API costs $0.00 per 1,000 phones. iBlueText's docs list 1 of the 9 fields on our checklist: Number.
We haven't run iBlueText through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
This plan is free. We rank 1,184 plans for phone validation APIs by price. Half the plans cost $3.152 or less per 1,000 phones. [See the best free phone validation API plan.](https://datacircle.dev/best-phone-validation-api.txt)
[GuGuData's CNY 124 (about $19) monthly plan](https://datacircle.dev/validate-phone-apis/gugudata/cny-124-monthly/llms.txt) is the cheapest paid plan per 1,000 phones. GuGuData's CNY 124 (about $19) monthly plan charges nothing per call. You get as many phones as GuGuData's rate limit allows. [Neutrino API's On-Demand plan](https://datacircle.dev/validate-phone-apis/neutrino-api/pay-as-you-go-on-demand/llms.txt) costs the least for 10,000 phones a month: $0.80.
[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), [Data247](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone/llms.txt) and [Abstract API](https://datacircle.dev/validate-phone-apis/abstract-api/19-monthly-starter-5000-requests-month/llms.txt) are the best phone validation API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-phone-apis/ibluetext/free
- [Phone validation API: the best of 50+ providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://ibluetext.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `POST https://ibluetext.com/api/v1/lookup`
- API key: with the plan, on https://ibluetext.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://ibluetext.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing#lookup-create
- Sold by: iBlueText (https://ibluetext.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 11%
- Number: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Know which numbers are iPhones — before you spend.

## Data

- Freshness: live
- Countries: Worldwide
- What it checks: messaging apps
- Keep data: no limit
- Use data: You are solely responsible for the messages you send and the contacts you message, upload, or verify. You agree that you will not: Send unsolicited messages or spam, or message anyone without the prior express written consent required by law. Violate the Telephone Consumer Protection Act (TCPA), the Telemarketing Sales Rule (TSR), CAN-SPAM, state telemarketing/messaging laws, CTIA guidelines, or mobile carrier and Apple rules. Fail to honor opt-outs. You must process STOP, UNSUBSCRIBE, and similar requests immediately and permanently. Message numbers on do-not-call/do-not-contact lists, or recipients who have revoked consent. Send content that is unlawful, fraudulent, deceptive, harassing, hateful, sexually explicit, or that promotes illegal goods/services, including the "SHAFT" categories (Sex, Hate, Alcohol, Firearms, Tobacco) where prohibited. Impersonate any person or entity or misrepresent the origin of a message. Evade filtering, rate limits, quiet-hours controls, or carrier/Apple protections, or abuse, overload, or reverse-engineer the Service.

## Plan

- Pay: $0
- You get: 100 credits
- Enough for: 100 results

## Rate limit

- Batch: 50,000

## Speed

- Answer: by polling

## The call

- You send: numbers, Content-Type header "application/json"
- Method: POST
- Path: /lookup

## About the plan

- Plan: Free trial
- Who can get it: anyone at least 18 with authority to bind their business, who verifies their phone number

## The 8 fields the plan's answer can hold

job ID, job status, total numbers, completed numbers, iPhone numbers, phone number, on iMessage, checked

## iBlueText's plans (10)

- [iBlueText, free](https://datacircle.dev/validate-phone-apis/ibluetext/free/llms.txt): $0.00 per 1,000, 11% complete, live
- [iBlueText, top-up, Pay-as-you-go lookup credits](https://datacircle.dev/validate-phone-apis/ibluetext/top-up-pay-as-you-go-lookup-credits/llms.txt): $5.00 per 1,000, 11% complete, live
- [iBlueText, top-up, Pay-as-you-go WhatsApp lookup](https://datacircle.dev/validate-phone-apis/ibluetext/top-up-pay-as-you-go-whatsapp-lookup/llms.txt): $2.00 per 1,000, 11% complete
- [iBlueText, $29 monthly](https://datacircle.dev/validate-phone-apis/ibluetext/29-monthly/llms.txt): $2.417 per 1,000, 11% complete, live
- [iBlueText, $79 monthly](https://datacircle.dev/validate-phone-apis/ibluetext/79-monthly/llms.txt): $2.194 per 1,000, 11% complete, live
- [iBlueText, $99 monthly](https://datacircle.dev/validate-phone-apis/ibluetext/99-monthly/llms.txt): $8.25 per 1,000, 11% complete, live
- [iBlueText, $199 monthly](https://datacircle.dev/validate-phone-apis/ibluetext/199-monthly/llms.txt): $1.658 per 1,000, 11% complete, live
- [iBlueText, $299 monthly](https://datacircle.dev/validate-phone-apis/ibluetext/299-monthly/llms.txt): $1.246 per 1,000, 11% complete, live
- [iBlueText, $599 monthly](https://datacircle.dev/validate-phone-apis/ibluetext/599-monthly/llms.txt): $0.998 per 1,000, 11% complete, live
- [iBlueText, $999 monthly](https://datacircle.dev/validate-phone-apis/ibluetext/999-monthly/llms.txt): $0.833 per 1,000, 11% complete, live

## iBlueText's calls (2)

- `POST /lookup`: [iBlueText, free](https://datacircle.dev/validate-phone-apis/ibluetext/free/llms.txt)
- `POST /wa_lookup`: [iBlueText, top-up, Pay-as-you-go WhatsApp lookup](https://datacircle.dev/validate-phone-apis/ibluetext/top-up-pay-as-you-go-whatsapp-lookup/llms.txt)

## iBlueText's APIs (1)

- [iBlueText: phone validation API pricing, 10 plans](https://datacircle.dev/validate-phone-apis/ibluetext/free/llms.txt)

## iBlueText: phone validation API alternatives

- [Phone-Check.app, $79.99 pack, 100,000 Credits, GET /v1-get-phone-details](https://datacircle.dev/validate-phone-apis/phone-check-app/79-99-pack-100000-credits-get-v1-get-phone-details/llms.txt): $0.80 per 1,000, 78% complete, live
- [CheckThatPhone, $1,020 yearly](https://datacircle.dev/validate-phone-apis/checkthatphone/1020-yearly/llms.txt): $0.85 per 1,000, 78% complete, live (deactivation date, state DNC: 7 days)
- [TanshuAPI, CNY 300 pack](https://datacircle.dev/validate-phone-apis/tanshuapi/cny-300-pack/llms.txt): $0.897 per 1,000, 44% complete, live
- [CallerAPI, $18,000 monthly, Enterprise transparency $18,000, GET /api/network-lookup/{phone}](https://datacircle.dev/validate-phone-apis/callerapi/18000-monthly-enterprise-transparency-18000-get-api-network-lookup-phone/llms.txt): $0.90 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 2026-11-08.

- https://ibluetext.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://ibluetext.com/faq.php?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://ibluetext.com/lookup.php?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://ibluetext.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://ibluetext.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://ibluetext.com/terms.php?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing