# TheTexting, free: Phone validation API

> Validate your phone numbers for efficient message delivery with Phone Number Lookup API.

TheTexting's Free trial plan for the phone validation API costs $0.00 per 1,000 phones. We check each provider's docs for 9 fields. TheTexting's docs list 4: Formats, Type, Carrier, Porting and roaming.
We haven't run TheTexting 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/thetexting/free
- [Phone validation API in 2026: the best of 60+ compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://www.thetexting.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `GET https://www.thetexting.com/rest/sms/json/number/lookup`
- API key: with the plan, on https://www.thetexting.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://www.thetexting.com/Developers/Documentation/NumberLookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: TheTexting (https://thetexting.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 44%
- Formats: ✓
- Type: ✓
- Carrier: ✓
- Porting and roaming: ✓

## Price

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

## Aggregators

- Aggregators: none

## Not found

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

## In their words

- Their pitch: Validate your phone numbers for efficient message delivery with Phone Number Lookup API.

## Data

- Freshness: live
- Countries: Worldwide
- What it checks: numbering plan, carrier, line in service
- Keep data: no limit
- Use data: You accept that the Service is provided for professional use only, and you agree that your use of the Website or Service shall not include: Sending unsolicited marketing messages (i.e. spam), Harvesting, or otherwise collecting information about others, without their consent, Misleading others as to the identity of the sender of your messages, by creating a false identity, impersonating the identity of someone/something else or by providing contact details that do not belong to you, Transmitting, associating or publishing any unlawful, racist, harassing, libelous, abusive, threatening, demeaning, immoral, harmful, vulgar, obscene, pornographic or otherwise objectionable material of any kind, Transmitting any material that may infringe upon the intellectual property rights of third parties including trademarks, copyrights or other rights of publicity, Transmitting any material that contains viruses, trojan horses, worms, time bombs, cancel-bots or any other harmful/deleterious programs, Interfering with, or disrupting, networks connected to the Service or violating the regulations, policies or procedures of such networks, Attempting to gain unauthorized access to the Service, other accounts, computer systems or networks connected to the Service, through password mining or any other means, Interfering with another's use and enjoyment of the Service or Website, or Engaging in any other activity that TheTexting believes could subject it to criminal liability or civil penalty/judgment.

## Plan

- Pay: $0
- You get: $3
- Enough for: about 857 calls, once

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: to
- Method: GET
- Path: /number/lookup

## About the plan

- Plan: Free trial
- Who can get it: anyone who signs up and verifies a phone number and an email address

## The 23 fields the plan's answer can hold

international format number, national format number, ISO2 country code, line type, mobile country code and mobile network code, serving MSC, IMSI, lookup status, original carrier name, original carrier prefix, original carrier country, original carrier country prefix, ported, ported carrier name, ported carrier prefix, ported carrier country, ported carrier country prefix, roaming, roaming carrier name, roaming carrier prefix, roaming carrier country, roaming carrier country prefix, status code

## TheTexting's plans (2)

- [TheTexting, free](https://datacircle.dev/validate-phone-apis/thetexting/free/llms.txt): $0.00 per 1,000, 44% complete, live
- [TheTexting, top-up](https://datacircle.dev/validate-phone-apis/thetexting/top-up/llms.txt): $3.50 per 1,000, 44% complete, live

## TheTexting's calls (1)

- `GET /number/lookup`: [TheTexting, free](https://datacircle.dev/validate-phone-apis/thetexting/free/llms.txt)

## TheTexting's APIs (1)

- [TheTexting Phone validation API pricing, 2 plans](https://datacircle.dev/validate-phone-apis/thetexting/free/llms.txt)

## TheTexting: phone validation API alternatives

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

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

- [TheTexting, top-up](https://datacircle.dev/validate-phone-apis/thetexting/top-up/llms.txt): $3.50 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
- [1s2u, $35 pack](https://datacircle.dev/validate-phone-apis/1s2u/35-pack/llms.txt): $3.50 per 1,000, 67% complete, live
- [AtomPark (ePochta), top-up, USA](https://datacircle.dev/validate-phone-apis/atompark-epochta/top-up-usa/llms.txt): $3.50 per 1,000, 44% complete, live
- [HLR Lookup, £1,350 pack, 500,000 lookups, POST /batches/{id}/sourcejson, Bulk uploads via API](https://datacircle.dev/validate-phone-apis/hlr-lookup/1350-pack-500000-lookups-post-batches-id-sourcejson/llms.txt): $3.600 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 2026-11-08.

- https://thetexting.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.thetexting.com/Developers/Documentation/NumberLookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.thetexting.com/phone-number-lookup-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.thetexting.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.thetexting.com/pricing/NumberLookupAPI?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.thetexting.com/terms-of-use?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing