# DIDLogic, free: Phone validation API

> Use HLR lookups to check number validity and risk checks to identify spam flags before adding numbers to your calling workflow.

DIDLogic's phone validation API on its Promo plan. It costs $0.00 per 1,000 phones. It returns 7 of the 9 key fields we check: Number, Validity, Type, Carrier, Porting and roaming, Place, Risk.
We haven't run DIDLogic through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
This plan is free. 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/didlogic/free
- [Phone validation API: 40+ providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://didlogic.com/account-levels/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `POST https://app.didlogic.com/api/v2/hlr`
- API key: with the plan, on https://didlogic.com/account-levels/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://docs.didlogic.com/docs/api/create-hlr-lookup/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: DIDLogic (https://didlogic.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 78%
- Number: ✓
- Validity: ✓
- Type: ✓
- Carrier: ✓
- Porting and roaming: ✓
- Place: ✓
- Risk: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Send SMS message · Create risk check

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Use HLR lookups to check number validity and risk checks to identify spam flags before adding numbers to your calling workflow.

## Data

- Freshness: live
- What it checks: numbering plan, carrier, line in service
- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: $0

## Rate limit

- Batch: 1,500

## Speed

- Answer: by polling

## The call

- You send: numbers
- Method: POST
- Path: /api/v2/hlr

## About the plan

- Plan: Promo
- Who can get it: anyone with an account, its API key comes through the account manager and the account decides which parts of the API are open to it

## The 16 fields the plan's answer can hold

phone number, valid, lookup status, phone type, carrier, MCC, MNC, ported, risky, country, error code, price, task ID, log ID, processed at, created at

## DIDLogic's plans (4)

- [DIDLogic, free](https://datacircle.dev/validate-phone-apis/didlogic/free/llms.txt): $0.00 per 1,000, 78% complete, live
- [DIDLogic, $100 monthly](https://datacircle.dev/validate-phone-apis/didlogic/100-monthly/llms.txt): 78% complete, live
- [DIDLogic, $500 monthly](https://datacircle.dev/validate-phone-apis/didlogic/500-monthly/llms.txt): 78% complete, live
- [DIDLogic, $2,500 monthly](https://datacircle.dev/validate-phone-apis/didlogic/2500-monthly/llms.txt): 78% complete, live

## DIDLogic's calls (1)

- `POST /api/v2/hlr`: [DIDLogic, free](https://datacircle.dev/validate-phone-apis/didlogic/free/llms.txt)

## DIDLogic's APIs (1)

- [DIDLogic: phone validation API pricing, 4 plans](https://datacircle.dev/validate-phone-apis/didlogic/free/llms.txt)

## DIDLogic: phone validation API alternatives

- [Foxentry, free trial, POST /phone/validate, Validate phone number (extended)](https://datacircle.dev/validate-phone-apis/foxentry/free-trial-post-phone-validate-validate-phone-number-extended/llms.txt): $0.00 per 1,000, 56% complete, live
- [HLR Lookups, free, 100 free lookups, POST /hlr-lookups](https://datacircle.dev/validate-phone-apis/hlr-lookups/free-100-free-lookups-post-hlr-lookups/llms.txt): $0.00 per 1,000, 56% complete, live
- [seven.io, free test credit, GET /api/lookup/hlr](https://datacircle.dev/validate-phone-apis/seven-io/free-test-credit-get-api-lookup-hlr/llms.txt): $0.00 per 1,000, 78% complete, live
- [HLR Lookup, free, 200 free credits, POST /batches/{id}/sourcejson, Bulk uploads via API](https://datacircle.dev/validate-phone-apis/hlr-lookup/free-200-free-credits-post-batches-id-sourcejson/llms.txt): $0.00 per 1,000, 89% complete, live
- [Decision Telecom, free](https://datacircle.dev/validate-phone-apis/decision-telecom/free/llms.txt): $0.00 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 2026-11-04.

- https://didlogic.com/account-levels/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://didlogic.com/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://didlogic.com/terms-and-conditions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://docs.didlogic.com/docs/api/create-hlr-lookup/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://docs.didlogic.com/docs/release-notes/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://docs.didlogic.com/public_api.openapi.yaml?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing