# Mitto, contact us: Phone validation API

> Mitto’s Number Lookup service provides a simple way to retrieve mobile subscription information given one or more mobile subscriber number (MSISDN).

Mitto's phone validation API on its Number Lookup plan. It returns 4 of the 9 key fields we check: Number, Carrier, Porting and roaming, Place.
We haven't run Mitto through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
Mitto gives this plan's price on request. We rank 888 plans for phone validation APIs by price. Half the plans cost $3.376 per 1,000 phones or less.
[Botoi's $199 monthly plan](https://datacircle.dev/validate-phone-apis/botoi/199-monthly/llms.txt) is the cheapest paid plan per 1,000 phones: as little as $0.0066. Botoi's $199 monthly plan covers up to 1,000,000 phones a day.
[Data247](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone/llms.txt), [Foxentry](https://datacircle.dev/validate-phone-apis/foxentry/top-up-pay-as-you-go-post-phone-validate-validate-phone-number-extended/llms.txt) and [HLR Lookups](https://datacircle.dev/validate-phone-apis/hlr-lookups/top-up-1-1m-post-hlr-lookup/llms.txt) are the best phone validation API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-phone-apis/mitto/contact-us
- [Phone validation API: 40+ providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://mitto.ch/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `GET https://api.mitto.ch/lookup`
- API key: with the plan, on https://mitto.ch/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://docs.mitto.ch/number-look-up-http-api-reference/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: Mitto (https://mitto.ch?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 44%
- Number: ✓
- Carrier: ✓
- Porting and roaming: ✓
- Place: ✓

## Price

- Billing: contact

## Aggregators

- Aggregators: none

## In their words

- Their pitch: Mitto’s Number Lookup service provides a simple way to retrieve mobile subscription information given one or more mobile subscriber number (MSISDN).

## Data

- Freshness: live
- What it checks: numbering plan, carrier, line in service
- Keep data: "The Parties shall treat all material and Information, including this MSA, which is delivered by the other Party in order to perform its obligations under this MSA as confidential (“Confidential Information”). The Parties shall not disclose such Confidential Information to a third party without a prior written consent of the other Party." [...] "At the disclosing Party’s written request at any time, the receiving Party shall promptly return the Confidential Information to the disclosing Party promptly, or certify in writing to the disclosing Party that the Confidential Information has been destroyed."
- Use data: "The Client may use the Services, on a non-exclusive basis, solely to:" "use the Documentation and MITTO APIs as needed to develop its application, " "use and make the Services available to End Users in connection with the use of each Service in accordance with the Documentation and MITTO’s Acceptable Use Policy or other limitations agreed in the Service Addendum, Dashboard or the Site, " "use the Services solely in connection with and as necessary for the Client activities pursuant to this MSA, and" "allow its Affiliates to use the Services pursuant to this MSA or as agreed in the Service Addendum" [...] "Concerning the Services the Client agrees:" "that except to make the Services available to Client’s End Users in connection with the use of each Service as permitted herein, the Client does not transfer, resell, lease, license or otherwise make available the Services to third parties or offer them on a standalone basis, " "not to use the Services in any manner that violates any Applicable Law, " "not to use the Services to create, train, or improve (directly or indirectly) a substantially similar product or service, " "not to create multiple service accounts to simulate or act as a single service account or otherwise access the Service in a manner intended to avoid incurring fees, and" "not to reverse engineer, decompile, disassemble or otherwise create, attempt to create or derive, or permit or assist anyone else to create or derive the source code of any software provided in connection with the Services."

## Speed

- Answer: in the call

## The call

- You send: msisdn
- Method: GET
- Path: /lookup

## About the plan

- Plan: Number Lookup
- Who can get it: anyone who signs up for a Mitto account and accepts its MSA ("Client" shall refer to you, unless you are accepting on behalf of an organization), with the IP addresses that call the API whitelisted by Mitto's support

## The 21 fields the plan's answer can hold

phone number, mobile country code, mobile network code, lookup cost, ported, ported network, roaming, original mobile network code, original network, roaming mobile country code, roaming mobile network code, roaming network, network name, country name, country prefix, mobile switching center, IMSI, absent, GSM error code, lookup date, response code

## Mitto's plans (1)

- [Mitto, contact us](https://datacircle.dev/validate-phone-apis/mitto/contact-us/llms.txt): 44% complete, live

## Mitto's calls (1)

- `GET /lookup`: [Mitto, contact us](https://datacircle.dev/validate-phone-apis/mitto/contact-us/llms.txt)

## Mitto's APIs (1)

- [Mitto: phone validation API pricing, 1 plan](https://datacircle.dev/validate-phone-apis/mitto/contact-us/llms.txt)

## Mitto: phone validation API alternatives

- [HLR Lookups, contact us, Postpaid account, POST /mnp-lookups](https://datacircle.dev/validate-phone-apis/hlr-lookups/contact-us-postpaid-account-post-mnp-lookups/llms.txt): 44% complete, live
- [CallerAPI, contact us, Enterprise transparency $40,000+, GET /api/network-lookup/{phone}](https://datacircle.dev/validate-phone-apis/callerapi/contact-us-enterprise-transparency-40000-get-api-network-lookup-phone/llms.txt): 44% complete, live
- [Addressfinder, contact us](https://datacircle.dev/validate-phone-apis/addressfinder/contact-us/llms.txt): 44% complete, live
- [Mobica, contact us](https://datacircle.dev/validate-phone-apis/mobica/contact-us/llms.txt): 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 2026-11-05.

- https://docs.mitto.ch/number-look-up-http-api-reference/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://docs.mitto.ch/number-lookup-http/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://docs.mitto.ch/number-lookup-use-cases-http/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://docs.mitto.ch/number-lookup/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://mitto.ch/legal?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://mitto.ch/number-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://mitto.ch/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing