# CheckMobi, free trial, POST /v1/lookup/mnp: Phone validation API

> Get instant insights about any phone number worldwide. Validate numbers, check carrier information, detect portability status, and access comprehensive mobile network data in real-time.

CheckMobi'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. CheckMobi's docs list 5: Number, Formats, Type, Carrier, Place.
We haven't run CheckMobi through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
This plan is free. We rank 1,342 plans for phone validation APIs by price. Half the plans cost $3.867 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. [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/checkmobi/free-trial-post-v1-lookup-mnp
- [Phone validation API in 2026: the best of 60+ compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://checkmobi.com/legal/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `POST https://api.checkmobi.com/v1/lookup/mnp`
- API key: with the plan, on https://checkmobi.com/legal/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://checkmobi.com/documentation/api-reference/number-lookup/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing#perform-bulk-mnp-lookup
- Sold by: CheckMobi (https://checkmobi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 56%
- Number: ✓
- Formats: ✓
- Type: ✓
- Carrier: ✓
- Place: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Perform an HLR Lookup · Perform bulk HLR Lookup · Perform a MNP Lookup · Send SMS · Place Call · Request Validation

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Get instant insights about any phone number worldwide. Validate numbers, check carrier information, detect portability status, and access comprehensive mobile network data in real-time.

## Data

- Freshness: stored
- Countries: Worldwide
- What it checks: numbering plan, carrier
- Keep data: no limit
- Use data: Subject to your compliance with these Terms, CheckMobi grants you a limited, non-exclusive, non-transferable, non-sublicensable, revocable licence to access and use the Platform and Materials solely for the purpose of integrating the Services into your own applications. You may not copy, reproduce, distribute, modify, decompile, reverse engineer, disassemble, or create derivative works of any part of the CheckMobi Platform without our prior written consent.

## Plan

- Pay: $0
- You get: $1
- Enough for: 500 results

## Rate limit

- Batch: 1,000

## Speed

- Answer: by webhook

## The call

- You send: numbers, notification_callback, Content-Type header "application/json"
- Method: POST
- Path: /v1/lookup/mnp

## About the plan

- Plan: Free trial
- Who can get it: anyone at least 18 years old, with an account (the terms' section 3), creating several free trial accounts is prohibited (section 8.2)

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

lookup ID, cost, phone number, number type, timezone, processing status, IMSI, E.164 format, international format, national format, RFC 3966 format, current network country code, current network country prefix, current network area, current network name, current network MCCMNC, current network MCC, current network MNC, original number

## CheckMobi's plans (5)

- [CheckMobi, free trial, POST /v1/lookup/mnp](https://datacircle.dev/validate-phone-apis/checkmobi/free-trial-post-v1-lookup-mnp/llms.txt): $0.00 per 1,000, 56% complete, stored
- [CheckMobi, top-up, Prepaid credit, POST /v1/lookup/mnp](https://datacircle.dev/validate-phone-apis/checkmobi/top-up-prepaid-credit-post-v1-lookup-mnp/llms.txt): $2.00 per 1,000, 56% complete, stored
- [CheckMobi, $15 monthly, Startup, POST /v1/lookup/mnp](https://datacircle.dev/validate-phone-apis/checkmobi/15-monthly-startup-post-v1-lookup-mnp/llms.txt): $2.00 per 1,000, 56% complete, stored
- [CheckMobi, $30 monthly, Growing Business, POST /v1/lookup/mnp](https://datacircle.dev/validate-phone-apis/checkmobi/30-monthly-growing-business-post-v1-lookup-mnp/llms.txt): $2.00 per 1,000, 56% complete, stored
- [CheckMobi, $60 monthly, Big Business, POST /v1/lookup/mnp](https://datacircle.dev/validate-phone-apis/checkmobi/60-monthly-big-business-post-v1-lookup-mnp/llms.txt): $2.00 per 1,000, 56% complete, stored

## CheckMobi's calls (5)

- `GET /v1/lookup/mnp/{NUMBER}`: [CheckMobi, free trial, GET /v1/lookup/mnp/{NUMBER}](https://datacircle.dev/validate-phone-apis/checkmobi/free-trial-get-v1-lookup-mnp-number/llms.txt)
- `GET /v1/lookup/hlr/{NUMBER}`: [CheckMobi, free trial, GET /v1/lookup/hlr/{NUMBER}](https://datacircle.dev/validate-phone-apis/checkmobi/free-trial-get-v1-lookup-hlr-number/llms.txt)
- `POST /v1/lookup/hlr`: [CheckMobi, free trial, POST /v1/lookup/hlr](https://datacircle.dev/validate-phone-apis/checkmobi/free-trial-post-v1-lookup-hlr/llms.txt)
- `POST /v1/lookup/mnp`: [CheckMobi, free trial, POST /v1/lookup/mnp](https://datacircle.dev/validate-phone-apis/checkmobi/free-trial-post-v1-lookup-mnp/llms.txt)
- `GET /v1/lookup/verify/{NUMBER}`: [CheckMobi, free trial, GET /v1/lookup/verify/{NUMBER}](https://datacircle.dev/validate-phone-apis/checkmobi/free-trial-get-v1-lookup-verify-number/llms.txt)

## CheckMobi's APIs (1)

- [CheckMobi: phone validation API pricing, 5 plans, POST /v1/lookup/mnp](https://datacircle.dev/validate-phone-apis/checkmobi/free-trial-post-v1-lookup-mnp/llms.txt)

## CheckMobi: phone validation API alternatives

- [1Lookup, $1,999 monthly, Enterprise, POST /nt-lookup](https://datacircle.dev/validate-phone-apis/1lookup/1999-monthly-enterprise-post-nt-lookup/llms.txt): $1.999 per 1,000, 78% complete, stored
- [TokenVerify, $10 pack](https://datacircle.dev/validate-phone-apis/tokenverify/10-pack/llms.txt): $2.00 per 1,000, 33% complete, stored
- [Cloudmersive, $499.99 monthly](https://datacircle.dev/validate-phone-apis/cloudmersive/499-99-monthly/llms.txt): $2.00 per 1,000, 44% complete, stored
- [Xverify, $1,000 pack](https://datacircle.dev/validate-phone-apis/xverify/1000-pack/llms.txt): $2.00 per 1,000, 44% complete, stored

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.

- https://checkmobi.com/documentation/api-reference/account-utilities/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://checkmobi.com/documentation/api-reference/number-lookup/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://checkmobi.com/legal/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://checkmobi.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://checkmobi.com/pricing/rates/us/lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing