# RealPhoneValidation, free: Do-not-call check API

> DNC Lookup determines if the number is on the National, State, or Direct Marketing Association Do Not Call lists. It also identifies phone type and if the number is associated with a known litigator or serial plaintiff. DNC Lookup is an important step in TCPA compliance.

RealPhoneValidation's "Free trial, first 100 validations" plan for the do-not-call check API costs $0.00 per 1,000 phones. We check each provider's docs for 8 fields. RealPhoneValidation's docs list 2: US do-not-call lists, Litigators.
You get up to 100 calls in all.
We haven't run RealPhoneValidation through [our do-not-call check API benchmark](https://datacircle.dev/best-do-not-call-check-api.txt) yet.
This plan is free. We rank 93 plans for do-not-call check APIs by price. Half the plans cost $8.001 or less per 1,000 phones. [7 do-not-call check API plans on our price sheet are free.](https://datacircle.dev/best-do-not-call-check-api.txt) [TPSCheck](https://datacircle.dev/do-not-call-check-apis/tpscheck/free/llms.txt) has a free plan with 50 calls a month. TPSCheck is the best do-not-call check API in our benchmark.
[DNC Finder's $48 monthly plan](https://datacircle.dev/do-not-call-check-apis/dnc-finder/48-monthly/llms.txt) costs the least per 1,000 phones, for the United States only, with no charge per call. You get as many phones as DNC Finder's rate limit allows. [TPSCheck's £289 yearly plan](https://datacircle.dev/do-not-call-check-apis/tpscheck/289-yearly/llms.txt) costs the least for 10,000 phones a month, for the United Kingdom only: about $32.12.
[DNCSweeper's $149 monthly plan](https://datacircle.dev/do-not-call-check-apis/dncsweeper/149-monthly/llms.txt) covers any number of phones in the United States only, and costs more up front than DNC Finder's $48 monthly plan.
[TPSCheck](https://datacircle.dev/do-not-call-check-apis/tpscheck/199-monthly-business-post-check/llms.txt), [tpsmydata](https://datacircle.dev/do-not-call-check-apis/tpsmydata/200-pack-100000-credits-get-tps-multi-check/llms.txt) and [TPS API](https://datacircle.dev/do-not-call-check-apis/tps-api/255-pack/llms.txt) are the best do-not-call check API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/do-not-call-check-apis/realphonevalidation/free
- [Do-not-call check API in 2026: the 3 best of 18 compared](https://datacircle.dev/best-do-not-call-check-api.txt)
- Get it: https://realphonevalidation.com/quote/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=do-not-call-check-api-pricing
- Request: `GET https://api.realvalidation.com/rpvWebService/DNCLookup.php`
- API key: with the plan, on https://realphonevalidation.com/quote/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=do-not-call-check-api-pricing
- Its API docs: https://realphonevalidation.com/api-documentation/dnc-lookup-api-doc/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=do-not-call-check-api-pricing
- Sold by: RealPhoneValidation (https://realphonevalidation.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=do-not-call-check-api-pricing)
- Checked: 2026-11-14

## In the answer

- Completeness: 25%
- US do-not-call lists: ✓
- Litigators: ✓

## Price

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

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000 calls that find nothing: $0.00

## In their words

- Their pitch: DNC Lookup determines if the number is on the National, State, or Direct Marketing Association Do Not Call lists. It also identifies phone type and if the number is associated with a known litigator or serial plaintiff. DNC Lookup is an important step in TCPA compliance.

## Data

- Countries: United States
- Keep data: no limit
- Use data: You shall not use any information provided by us, in whole or in part, for any purpose or in any way prohibited by any applicable local, state, federal, or international laws, rules, or regulations. [...] Any and all information obtained by you from us, from our Website, or through our services shall be used only for your internal business purposes. You shall not sell, distribute, or display any such information or provide such information to third parties.

## Plan

- Pay: $0
- Enough for: 100 calls, once

## Rate limit

- Per second: 10
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: phone. Optional: output
- Method: GET
- Path: /rpvWebService/DNCLookup.php

## About the plan

- Plan: Free trial, first 100 validations
- Who can get it: verifiable businesses, one trial a company, not with a free email address, each with a SAN of the National Do Not Call Registry (its docs)

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

phone number, National DNC listed, state DNC listed, DMA DNC listed, litigator listed, line type, unique identifier

## RealPhoneValidation's plans (4)

- [RealPhoneValidation, free](https://datacircle.dev/do-not-call-check-apis/realphonevalidation/free/llms.txt): $0.00 per 1,000, 25% complete
- [RealPhoneValidation, top-up from $25](https://datacircle.dev/do-not-call-check-apis/realphonevalidation/top-up-from-25/llms.txt): $20.00 per 1,000, 25% complete
- [RealPhoneValidation, contact us, Enterprise & platform integrations](https://datacircle.dev/do-not-call-check-apis/realphonevalidation/contact-us-enterprise-platform-integrations/llms.txt): 25% complete
- [RealPhoneValidation, contact us, Prepaid Volume Discounts](https://datacircle.dev/do-not-call-check-apis/realphonevalidation/contact-us-prepaid-volume-discounts/llms.txt): 25% complete

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

- `GET /rpvWebService/DNCLookup.php`: [RealPhoneValidation, free](https://datacircle.dev/do-not-call-check-apis/realphonevalidation/free/llms.txt)

## RealPhoneValidation's APIs (2)

- [RealPhoneValidation Do-not-call check API pricing, 4 plans](https://datacircle.dev/do-not-call-check-apis/realphonevalidation/free/llms.txt)
- [RealPhoneValidation Phone validation API pricing, 4 plans](https://datacircle.dev/validate-phone-apis/realphonevalidation/free/llms.txt)

## RealPhoneValidation: do-not-call check API alternatives

[RealPhoneValidation alternatives: other do-not-call check API providers by price](https://datacircle.dev/realphonevalidation-alternatives.txt)

We list RealPhoneValidation's cheapest paid plan first. Next we list other providers' plans closest to RealPhoneValidation in price per 1,000 phones.

- [RealPhoneValidation, top-up from $25](https://datacircle.dev/do-not-call-check-apis/realphonevalidation/top-up-from-25/llms.txt): $20.00 per 1,000, 25% complete
- [RealValidito, $10 pack](https://datacircle.dev/do-not-call-check-apis/realvalidito/10-pack/llms.txt): $10.00 per 1,000, 38% complete
- [1Lookup, $1,999 monthly](https://datacircle.dev/do-not-call-check-apis/1lookup/1999-monthly/llms.txt): $19.99 per 1,000, 50% complete
- [SearchBug, top-up from $10](https://datacircle.dev/do-not-call-check-apis/searchbug/top-up-from-10/llms.txt): $20.00 per 1,000, 25% complete
- [EasyDNC, top-up](https://datacircle.dev/do-not-call-check-apis/easydnc/top-up/llms.txt): $25.00 per 1,000, 13% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-14.

- https://realphonevalidation.com/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=do-not-call-check-api-pricing
- https://realphonevalidation.com/api-best-practices/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=do-not-call-check-api-pricing
- https://realphonevalidation.com/api-documentation/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=do-not-call-check-api-pricing
- https://realphonevalidation.com/api-documentation/dnc-lookup-api-doc/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=do-not-call-check-api-pricing
- https://realphonevalidation.com/faq/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=do-not-call-check-api-pricing
- https://realphonevalidation.com/phone-validation-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=do-not-call-check-api-pricing
- https://realphonevalidation.com/quote/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=do-not-call-check-api-pricing
- https://realphonevalidation.com/terms-of-use/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=do-not-call-check-api-pricing