# Hellio Messaging, top-up: Phone validation API

> Retrieve detailed information on any phone number.

Hellio Messaging's Pay as you go plan lets you call the phone validation API. We check each provider's docs for 9 fields. Hellio Messaging's docs list 6: Number, Validity, Type, Carrier, Porting and roaming, Place.
We haven't run Hellio Messaging through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
This plan costs . We rank 1,266 plans for phone validation APIs by price. Half the plans cost $3.55 or less per 1,000 phones.
[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/hellio-messaging/top-up
- [Phone validation API: the best of 50+ providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://helliomessaging.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `POST https://api.helliomessaging.com/v1/lookup`
- API key: with the plan, on https://helliomessaging.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://helliomessaging.com/docs/reference?v=v1&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing#tag/lookup/POST/v1/lookup
- Sold by: Hellio Messaging (https://helliomessaging.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 67%
- Number: ✓
- Validity: ✓
- Type: ✓
- Carrier: ✓
- Porting and roaming: ✓
- Place: ✓

## Price

- Billing: pay first

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Send an SMS campaign · Send an OTP · Send a voice broadcast · Verify email addresses

## In their words

- Their pitch: Retrieve detailed information on any phone number.

## Data

- Freshness: live
- Countries: Worldwide
- What it checks: numbering plan, carrier, line in service
- Keep data: no limit
- Use data: You agree to use the Service only for lawful purposes and in compliance with all applicable laws and regulations. [...] You agree to maintain the confidentiality of all information related to the Service, including any user data or other confidential information that you may obtain in connection with your use of the Service. You may not disclose any such information to any third party without Hellio's prior written consent.

## Plan

- Expires: never

## Rate limit

- Per second: 2

## Speed

- Answer: by polling

## The call

- You send: numbers. Optional: scheduled_at
- Method: POST
- Path: /lookup

## About the plan

- Plan: Pay as you go
- Who can get it: anyone

## The 9 fields the plan's answer can hold

phone number, valid, carrier, country, region, line type, line status, ported, fraud signals

## Hellio Messaging's plans (1)

- [Hellio Messaging, top-up](https://datacircle.dev/validate-phone-apis/hellio-messaging/top-up/llms.txt): 67% complete, live

## Hellio Messaging's calls (1)

- `POST /lookup`: [Hellio Messaging, top-up](https://datacircle.dev/validate-phone-apis/hellio-messaging/top-up/llms.txt)

## Hellio Messaging's APIs (1)

- [Hellio Messaging: phone validation API pricing, 1 plan](https://datacircle.dev/validate-phone-apis/hellio-messaging/top-up/llms.txt)

## Hellio Messaging: phone validation API alternatives

- [Data247, $12 pack, Membership, GET /v3.0, Carrier247 (International)](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-carrier247-international/llms.txt): 56% complete, live
- [LabsMobile, top-up from €9](https://datacircle.dev/validate-phone-apis/labsmobile/top-up-from-9/llms.txt): 56% complete, live
- [QuietPass, $5 pack, $5 top-up, POST /v1/phone/lookup, Run a lookup without a separate quote](https://datacircle.dev/validate-phone-apis/quietpass/5-pack-5-top-up-post-v1-phone-lookup-run-a-lookup-without-a-separate-quote/llms.txt): 67% complete, live
- [EasySendSMS, top-up, Prepaid credits, GET /hlr](https://datacircle.dev/validate-phone-apis/easysendsms/top-up-prepaid-credits-get-hlr/llms.txt): 67% 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 2026-11-08.

- https://api.helliomessaging.com/v1/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://helliomessaging.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://helliomessaging.com/docs/authentication?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://helliomessaging.com/docs/mcp?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://helliomessaging.com/docs/reference?v=v1&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://helliomessaging.com/faqs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://helliomessaging.com/number-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://helliomessaging.com/number-lookup-ghana?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://helliomessaging.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://helliomessaging.com/terms-and-condition?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing