# MicroBilt, contact us: Phone finder API

> This API appends landline, wireless and VOIP phone numbers as available to a submitted name and address.

MicroBilt's Locate People APIs plan lets you call the phone finder API. We check each provider's docs for 11 fields. MicroBilt's docs list 2: Number, Line type.
We haven't run MicroBilt through [our phone finder API benchmark](https://datacircle.dev/best-phone-finder-api.txt) yet.
MicroBilt gives this plan's price on request. We rank 774 plans for phone finder APIs by price. Half the plans cost $242.50 or less per 1,000 phones.
[QuickEnrich's $399 monthly plan](https://datacircle.dev/find-phone-apis/quickenrich/399-monthly/llms.txt) costs the least per 1,000 phones. QuickEnrich's $399 monthly plan charges nothing per call. You get as many phones as QuickEnrich's rate limit allows. [StableEnrich's pay-as-you-go plan](https://datacircle.dev/find-phone-apis/stableenrich/pay-as-you-go-pay-per-request-with-x402-or-mpp-post-api-minerva-enrich/llms.txt) costs the least for 10,000 phones a month: $1.00.
[MillionPhones](https://datacircle.dev/find-phone-apis/millionphones/300-monthly-pro-40000-credits-mo-get-phone/llms.txt), [AI Ark](https://datacircle.dev/find-phone-apis/ai-ark/119-monthly-usage-based-plan-30000-credits-month-post-v1-people-mobile-phone-finder/llms.txt) and [Skrapp](https://datacircle.dev/find-phone-apis/skrapp/349-monthly-enterprise-50k-get-api-v3-people-phone/llms.txt) are the best phone finder API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/find-phone-apis/microbilt/contact-us
- [Phone finder API in 2026: the best of 30+ providers compared](https://datacircle.dev/best-phone-finder-api.txt)
- Get it: https://developer.microbilt.com/plans-and-pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing
- Request: `POST https://api.microbilt.com/PhoneSearch/`
- API key: with the plan, on https://developer.microbilt.com/plans-and-pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing
- Its API docs: https://developer.microbilt.com/api/PhoneSearch?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing
- Sold by: MicroBilt (https://www.microbilt.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 18%
- Number: ✓
- Line type: ✓

## Price

- Per: call
- Billing: contact

## Aggregators

- Aggregators: none

## In their words

- Their pitch: This API appends landline, wireless and VOIP phone numbers as available to a submitted name and address.

## Data

- Keep data: no limit
- Use data: User and/or if and as applicable its Customers shall: identify the end user recipient of each consumer credit or other Information prior to requesting such (“End User”), identify each specific “permissible purpose” as defined in the FCRA or “permitted use” under the GLBA for which the consumer credit or other Information is requested and agree that such will be used for no other purpose or use [...], secure consumer credit and other Information on individuals solely for End User’s own internal one-time use in accordance with the terms and conditions herein and applicable law [...]. User and Customers are prohibited from creating derivative works of all or any portion of the “MicroBilt Products” [...], from reverse engineering, decompiling, disassembling, or otherwise attempting to discover source code of the MicroBilt Products, or from copying, duplicating, disclosing, creating a database of, or using the MicroBilt Products, except as otherwise provided herein.

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: nothing required. Optional: Name.FirstName, Name.MiddleName, Name.LastName, Address.StreetNum, Address.StreetName, Address.StreetPreDir, Address.StreetType, Address.StreetSufix, Address.StreetPostDir, Address.Apt, Address.City, Address.State, Address.Zip, Address.County, Address.Country, MsgRqHdr.RequestType, MsgRqHdr.ReasonCode, MsgRqHdr.GLBPurpose, MsgRqHdr.DLPurpose, MsgRqHdr.RefNum, MsgRqHdr.UserName, MsgRqHdr.Timeout, MsgRqHdr.FrozenFilePIN, MsgRqHdr.OutputFormat, MsgRqHdr.ProductID
- Method: POST
- Path: /

## About the plan

- Plan: Locate People APIs
- Who can get it: anyone with a MicroBilt developer account, a subscription package is paid from a prepaid deposit added by credit card

## The 30 fields the plan's answer can hold

request ID, status code, server status code, severity, status description, additional status, reference number, person name, phone number, phone published, phone type, primary account indicator, carrier, service status, service type, service duration, service port duration, first seen date, last seen date, times seen, listing type, use type, last known status, activity status, action code, message source, message date, message class, message code, message text

## MicroBilt's plans (1)

- [MicroBilt, contact us](https://datacircle.dev/find-phone-apis/microbilt/contact-us/llms.txt): 18% complete

## MicroBilt's calls for this API (1)

- `POST /`: [MicroBilt, contact us](https://datacircle.dev/find-phone-apis/microbilt/contact-us/llms.txt)

## MicroBilt's APIs (5)

- [MicroBilt: business verification API pricing, 1 plan](https://datacircle.dev/business-verification-apis/microbilt/contact-us/llms.txt)
- [MicroBilt: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/microbilt/contact-us/llms.txt)
- [MicroBilt: email finder API pricing, 1 plan](https://datacircle.dev/find-email-apis/microbilt/contact-us/llms.txt)
- [MicroBilt: phone finder API pricing, 1 plan](https://datacircle.dev/find-phone-apis/microbilt/contact-us/llms.txt)
- [MicroBilt: company enrichment API pricing, 1 plan, POST /GetReport, Business Search](https://datacircle.dev/company-enrichment-apis/microbilt/contact-us-credentialed-apis-post-getreport-business-search/llms.txt)
- [MicroBilt: company enrichment API pricing, 1 plan, POST /GetReport, Reverse Tax ID Search](https://datacircle.dev/company-enrichment-apis/microbilt/contact-us-credentialed-apis-post-getreport-reverse-tax-id-search/llms.txt)

## MicroBilt: phone finder API alternatives

- [AI Ark, contact us, Agency & Enterprise Plan, POST /v1/people/mobile-phone-finder](https://datacircle.dev/find-phone-apis/ai-ark/contact-us-agency-enterprise-plan-post-v1-people-mobile-phone-finder/llms.txt): 18% complete, 30 days
- [Reverse Contact, contact us](https://datacircle.dev/find-phone-apis/reverse-contact/contact-us/llms.txt): 18% complete
- [Driva, contact us](https://datacircle.dev/find-phone-apis/driva/contact-us/llms.txt): 18% complete
- [Minerva, contact us, Enterprise, POST /v2/enrich](https://datacircle.dev/find-phone-apis/minerva/contact-us-enterprise-post-v2-enrich/llms.txt): 18% complete, stored
- [LeadX, contact us](https://datacircle.dev/find-phone-apis/leadx/contact-us/llms.txt): 27% 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 2026-11-08.

- https://developer.microbilt.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing
- https://developer.microbilt.com/api/PhoneSearch?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing
- https://developer.microbilt.com/apis-0?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing
- https://developer.microbilt.com/apis?page=7&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing
- https://developer.microbilt.com/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing
- https://developer.microbilt.com/plans-and-pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing
- https://developer.microbilt.com/sites/default/files/apidoc_specs/PhoneSearch_5.yaml?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing
- https://www.microbilt.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing
- https://www.microbilt.com/end-user-agreement?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing