# NumberBroom, pay as you go: Phone validation API

> Phone verification in one API call. Line type, carrier, and TCPA litigator check. Pay as you go. Built for AI agents, CRMs, and dialers.

NumberBroom's phone validation API on its Scrub plan. It costs $200.00 per 1,000 phones. It returns 4 of the 9 key fields we check: Number, Validity, Type, Carrier.
We haven't run NumberBroom through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
Half of the 768 plans we rank by price cost $3.60 per 1,000 phones or less. This plan costs less per 1,000 phones than 1% of the 768 plans.
[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 our benchmark.

- This page: https://datacircle.dev/validate-phone-apis/numberbroom/pay-as-you-go
- [Phone validation API: 30+ providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://numberbroom.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `POST https://numberbroom.com/api/v1/lists`
- API key: with the plan, on https://numberbroom.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://numberbroom.com/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: NumberBroom (https://numberbroom.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-10-28

## In the answer

- Completeness: 44%
- Number: ✓
- Validity: ✓
- Type: ✓
- Carrier: ✓

## Price

- $ per 1,000 phones: $200.00
- Per: result
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Phone verification in one API call. Line type, carrier, and TCPA litigator check. Pay as you go. Built for AI agents, CRMs, and dialers.

## Data

- Freshness: live
- Countries: United States
- What it checks: numbering plan, carrier
- Keep data: no limit
- Use data: "You may not use the Service to:" "Process data that you do not have a lawful basis to possess or verify", "Facilitate spam, unsolicited communications, or any activity that violates carrier policies", "Harass, threaten, deceive, stalk, or discriminate against individuals", "Reverse-engineer, scrape, or attempt to extract the underlying data sources of the Service", "Resell, sublicense, or redistribute Verification Results to third parties without prior written consent", or "Interfere with the Service, its infrastructure, or other users" (7), "a limited, revocable, non-exclusive, non-transferable license to use the Service solely in accordance with these Terms" (10)

## Plan

- Pay: per call

## Rate limit

- Batch: 10,000

## Speed

- Answer: by polling

## The call

- You send: numbers. Optional: scrubMode "full" or "litigator_only"
- Method: POST
- Path: /v1/lists

## About the plan

- Plan: Scrub
- Who can get it: anyone with a NumberBroom account (sign-up with email or Google) who is at least eighteen (18) years old, each list is paid by card through a Stripe checkout link a person opens

## The 5 fields the plan's answer can hold

phone, line type, carrier, activity score, scrub status

## NumberBroom's plans (2)

- [NumberBroom, pay as you go](https://datacircle.dev/validate-phone-apis/numberbroom/pay-as-you-go/llms.txt): $200.00 per 1,000, 44% complete, live
- [NumberBroom, top-up from $10](https://datacircle.dev/validate-phone-apis/numberbroom/top-up-from-10/llms.txt): $200.00 per 1,000, 67% complete, live

## NumberBroom's calls (2)

- `POST /v1/lists`: [NumberBroom, pay as you go](https://datacircle.dev/validate-phone-apis/numberbroom/pay-as-you-go/llms.txt)
- `POST /v1/verify`: [NumberBroom, top-up from $10](https://datacircle.dev/validate-phone-apis/numberbroom/top-up-from-10/llms.txt)

## NumberBroom's APIs (1)

- [NumberBroom: phone validation API pricing, 2 plans](https://datacircle.dev/validate-phone-apis/numberbroom/pay-as-you-go/llms.txt)

## NumberBroom: phone validation API alternatives

- [Postcoder, £27 pack](https://datacircle.dev/validate-phone-apis/postcoder/27-pack/llms.txt): $86.411 per 1,000, 56% complete, live
- [Loqate, €75 pack](https://datacircle.dev/validate-phone-apis/loqate/75-pack/llms.txt): $96.776 per 1,000, 78% complete, live
- [Data8, £60 pack, 1,000 credits, POST /PhoneValidation/IsValid.json, IsValid, IncludeUSStatus](https://datacircle.dev/validate-phone-apis/data8/60-pack-1000-credits-post-phonevalidation-isvalid-json-isvalid-includeusstatus/llms.txt): $160.02 per 1,000, 56% complete, live
- [Enrich.so, $499 monthly](https://datacircle.dev/validate-phone-apis/enrich-so/499-monthly/llms.txt): $199.60 per 1,000, 56% 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 2026-10-28.

- https://numberbroom.com/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://numberbroom.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://numberbroom.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://numberbroom.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://numberbroom.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing