# The Blacklist Alliance, $600 monthly: Phone validation API

> Real-time DNC list scrubbing, federal and state do-not-call checks, TCPA litigator-list screening, and a litigation firewall that blocks risky numbers before your agents ever dial — by API or batch.

The Blacklist Alliance's Basic Plus plan for the phone validation API costs $6.00 per 1,000 phones. We check each provider's docs for 9 fields. The Blacklist Alliance's docs list 4: Type, Carrier, Porting and roaming, Risk.
We haven't run The Blacklist Alliance through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
We rank 1,266 plans for phone validation APIs by price. Half the plans cost $3.55 or less per 1,000 phones. This plan costs less per 1,000 phones than 37% of the 1,266 plans.
[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. [Neutrino API's On-Demand plan](https://datacircle.dev/validate-phone-apis/neutrino-api/pay-as-you-go-on-demand/llms.txt) costs the least for 10,000 phones a month: $0.80.
[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), [Data247](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone/llms.txt) and [Abstract API](https://datacircle.dev/validate-phone-apis/abstract-api/19-monthly-starter-5000-requests-month/llms.txt) are the best phone validation API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-phone-apis/the-blacklist-alliance/600-monthly
- [Phone validation API: the best of 50+ providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://blacklistalliance.com/packages/basic-plus-subscription-plan?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: Docs behind sign-up
- API key: with the plan, on https://blacklistalliance.com/packages/basic-plus-subscription-plan?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://blacklistalliance.com/services/litigation-firewall?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: The Blacklist Alliance (https://blacklistalliance.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-09

## In the answer

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

## Price

- $ per 1,000 phones: $6.00
- Per: call
- Billing: monthly
- $ a month: $600

## Aggregators

- Aggregators: none

## Charges

- Also pays for: Number Evaluation Engine

## Overage

- $ per 1,000 phones: $10.00
- Units cap: soft

## Not found

- $ per 1,000: $6.00

## In their words

- Their pitch: Real-time DNC list scrubbing, federal and state do-not-call checks, TCPA litigator-list screening, and a litigation firewall that blocks risky numbers before your agents ever dial — by API or batch.

## Data

- Countries: United States
- What it checks: numbering plan, carrier
- Keep data: no limit
- Use data: Such use is limited to your internal use. [...] You shall not use or attempt to use the Litigation Firewall System to: (i) scrub data belonging to or on behalf of any third party as a reseller absent a reseller account, or in any other manner absent our express consent, (ii) scrub data records in excess of the limit included within your current subscription (not including permitted overages), (iii) circumvent the limitations of your National Do-Not-Call (DNC) Registry subscription (including subscribed area codes) or use the Subscription Account Number (SAN) of a third party without proper authorization or to scrub against DNC data for anyone other than the owner of the SAN, (iv) Access the Litigation Firewall System using more than 230 simultaneous connections, or take any other action that may impose an unreasonable or disproportionately large load on system infrastructure (as determined by us in our sole discretion) [...] You shall not at any time, directly or indirectly, and shall not permit any Authorized Users to: (i) copy, modify, or create derivative works of the Services or Documentation, in whole or in part, (ii) rent, lease, lend, sell, license, sublicense, assign, distribute, publish, transfer, or otherwise make available the Services or Documentation to any third party, (iii) reverse engineer, disassemble, decompile, decode, adapt, or otherwise attempt to derive or gain access to any software component of the Services, in whole or in part, (iv) remove any proprietary notices from the Services or Documentation, or (v) use the Services or Documentation in any manner or for any purpose that infringes, misappropriates, or otherwise violates any intellectual property right or other right of any person, or that violates any applicable law.

## Plan

- Pay: $600
- You get: 100,000 requests a month
- Enough for: 100,000 calls a month

## Rate limit

- Concurrent: 230

## Speed

- Answer: in the call

## The call

- You send: Docs behind sign-up

## About the plan

- Plan: Basic Plus
- Who can get it: a legal entity: the Subscriber is “the legal entity for which a Blacklist Alliance subscription plan was purchased”

## The 7 fields the plan's answer can hold

TCPA litigator, National DNC listed, state DNC listed, internal DNC listed, carrier, line type, ported status

## The Blacklist Alliance's plans (12)

- [The Blacklist Alliance, $600 monthly](https://datacircle.dev/validate-phone-apis/the-blacklist-alliance/600-monthly/llms.txt): $6.00 per 1,000, 44% complete
- [The Blacklist Alliance, $850 monthly](https://datacircle.dev/validate-phone-apis/the-blacklist-alliance/850-monthly/llms.txt): $3.40 per 1,000, 44% complete
- [The Blacklist Alliance, $1,150 monthly](https://datacircle.dev/validate-phone-apis/the-blacklist-alliance/1150-monthly/llms.txt): $2.30 per 1,000, 44% complete
- [The Blacklist Alliance, $1,750 monthly](https://datacircle.dev/validate-phone-apis/the-blacklist-alliance/1750-monthly/llms.txt): $1.75 per 1,000, 44% complete
- [The Blacklist Alliance, $2,300 monthly](https://datacircle.dev/validate-phone-apis/the-blacklist-alliance/2300-monthly/llms.txt): $1.15 per 1,000, 44% complete
- [The Blacklist Alliance, $2,900 monthly](https://datacircle.dev/validate-phone-apis/the-blacklist-alliance/2900-monthly/llms.txt): $0.829 per 1,000, 44% complete
- [The Blacklist Alliance, $3,500 monthly](https://datacircle.dev/validate-phone-apis/the-blacklist-alliance/3500-monthly/llms.txt): $0.50 per 1,000, 44% complete
- [The Blacklist Alliance, $4,000 monthly](https://datacircle.dev/validate-phone-apis/the-blacklist-alliance/4000-monthly/llms.txt): $0.267 per 1,000, 44% complete
- [The Blacklist Alliance, $4,750 monthly](https://datacircle.dev/validate-phone-apis/the-blacklist-alliance/4750-monthly/llms.txt): $0.136 per 1,000, 44% complete
- [The Blacklist Alliance, $5,500 monthly](https://datacircle.dev/validate-phone-apis/the-blacklist-alliance/5500-monthly/llms.txt): $0.092 per 1,000, 44% complete
- [The Blacklist Alliance, $6,500 monthly](https://datacircle.dev/validate-phone-apis/the-blacklist-alliance/6500-monthly/llms.txt): $0.065 per 1,000, 44% complete
- [The Blacklist Alliance, contact us](https://datacircle.dev/validate-phone-apis/the-blacklist-alliance/contact-us/llms.txt): 44% complete

## The Blacklist Alliance's calls (1)

- Docs behind sign-up: [The Blacklist Alliance, $600 monthly](https://datacircle.dev/validate-phone-apis/the-blacklist-alliance/600-monthly/llms.txt)

## The Blacklist Alliance's APIs (1)

- [The Blacklist Alliance: phone validation API pricing, 12 plans](https://datacircle.dev/validate-phone-apis/the-blacklist-alliance/600-monthly/llms.txt)

## The Blacklist Alliance: phone validation API alternatives

- [Dexatel, pay as you go, Up to 500K lookups](https://datacircle.dev/validate-phone-apis/dexatel/pay-as-you-go-up-to-500k-lookups/llms.txt): $6.00 per 1,000, 67% complete, live
- [ProWebLook, $120 pack, WhatsApp One-Time 20K, GET /wavalidation](https://datacircle.dev/validate-phone-apis/proweblook/120-pack-whatsapp-one-time-20k-get-wavalidation/llms.txt): $6.00 per 1,000, 67% complete, live
- [VeriRouteIntel, top-up from $5, Pay per use, POST /api/v1/cnam/bulk](https://datacircle.dev/validate-phone-apis/verirouteintel/top-up-from-5-pay-per-use-post-api-v1-cnam-bulk/llms.txt): $6.00 per 1,000, 44% complete, 48 hours
- [Wtsp, pay as you go, Pay per request, GET /v1/profile](https://datacircle.dev/validate-phone-apis/wtsp/pay-as-you-go-pay-per-request-get-v1-profile/llms.txt): $6.00 per 1,000, 33% complete, 7 days

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.

- https://blacklistalliance.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://blacklistalliance.com/packages/basic-plus-subscription-plan?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://blacklistalliance.com/services/data-optimization?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://blacklistalliance.com/services/litigation-firewall?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://blacklistalliance.com/subscription-term/monthly-subscription-terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing