# Verify550, $20 pack, 2,500 Credits, GET /api/singlePhone: Phone validation API

> Verify550 provides a developer API to integrate the phone validation process with your service. Our API provides the ability to check individual phone numbers and can accept a list of phone numbers through file upload.

Verify550's phone validation API on its "2,500 Credits" plan. It costs $80.00 per 1,000 phones. It returns 1 of the 9 key fields we check: Validity.
We haven't run Verify550 through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
Half of the 935 plans we rank by price cost $3.96 per 1,000 phones or less. This plan costs less per 1,000 phones than 3% of the 935 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 the Datacircle benchmark.

- This page: https://datacircle.dev/validate-phone-apis/verify550/20-pack-2500-credits-get-api-singlephone
- [Phone validation API: the best of 40+ providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://verify550.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `GET https://api.verify550.com/api/singlePhone`
- API key: with the plan, on https://verify550.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://verify550.com/documentation/validating-phone-numbers-using-the-verify550-api-2/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: Verify550 (https://verify550.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 11%
- Validity: ✓

## Price

- $ per 1,000 phones: $80.00
- Per: call
- Billing: pay first

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Single Verification · Bulk Verification · Bulk Phone List Upload · Combined Contact Verification

## In their words

- Their pitch: Verify550 provides a developer API to integrate the phone validation process with your service. Our API provides the ability to check individual phone numbers and can accept a list of phone numbers through file upload.

## Data

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

## Plan

- Pay: $20
- You get: 2,500 credits
- Enough for: 250 calls

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: phone
- Method: GET
- Path: /api/singlePhone

## About the plan

- Plan: 2,500 Credits
- Who can get it: anyone

## The only field the plan's answer can hold

valid

## Verify550's plans (16)

- [Verify550, $20 pack, 2,500 Credits, GET /api/singlePhone](https://datacircle.dev/validate-phone-apis/verify550/20-pack-2500-credits-get-api-singlephone/llms.txt): $80.00 per 1,000, 11% complete, live
- [Verify550, $35 pack, 5,000 Credits, GET /api/singlePhone](https://datacircle.dev/validate-phone-apis/verify550/35-pack-5000-credits-get-api-singlephone/llms.txt): $70.00 per 1,000, 11% complete, live
- [Verify550, $60 pack, 10,000 Credits, GET /api/singlePhone](https://datacircle.dev/validate-phone-apis/verify550/60-pack-10000-credits-get-api-singlephone/llms.txt): $60.00 per 1,000, 11% complete, live
- [Verify550, $100 pack, 25,000 Credits, GET /api/singlePhone](https://datacircle.dev/validate-phone-apis/verify550/100-pack-25000-credits-get-api-singlephone/llms.txt): $40.00 per 1,000, 11% complete, live
- [Verify550, $190 pack, 100,000 Credits, GET /api/singlePhone](https://datacircle.dev/validate-phone-apis/verify550/190-pack-100000-credits-get-api-singlephone/llms.txt): $19.00 per 1,000, 11% complete, live
- [Verify550, $650 pack, 500,000 Credits, GET /api/singlePhone](https://datacircle.dev/validate-phone-apis/verify550/650-pack-500000-credits-get-api-singlephone/llms.txt): $13.00 per 1,000, 11% complete, live
- [Verify550, $1,150 pack, 1,000,000 Credits, GET /api/singlePhone](https://datacircle.dev/validate-phone-apis/verify550/1150-pack-1000000-credits-get-api-singlephone/llms.txt): $11.50 per 1,000, 11% complete, live
- [Verify550, $2,600 pack, 2,500,000 Credits, GET /api/singlePhone](https://datacircle.dev/validate-phone-apis/verify550/2600-pack-2500000-credits-get-api-singlephone/llms.txt): $10.40 per 1,000, 11% complete, live
- [Verify550, $20 monthly, Monthly Subscription, 2,500 credits, GET /api/singlePhone](https://datacircle.dev/validate-phone-apis/verify550/20-monthly-monthly-subscription-2500-credits-get-api-singlephone/llms.txt): $80.00 per 1,000, 11% complete, live
- [Verify550, $35 monthly, Monthly Subscription, 5,000 credits, GET /api/singlePhone](https://datacircle.dev/validate-phone-apis/verify550/35-monthly-monthly-subscription-5000-credits-get-api-singlephone/llms.txt): $70.00 per 1,000, 11% complete, live
- [Verify550, $60 monthly, Monthly Subscription, 10,000 credits, GET /api/singlePhone](https://datacircle.dev/validate-phone-apis/verify550/60-monthly-monthly-subscription-10000-credits-get-api-singlephone/llms.txt): $60.00 per 1,000, 11% complete, live
- [Verify550, $100 monthly, Monthly Subscription, 25,000 credits, GET /api/singlePhone](https://datacircle.dev/validate-phone-apis/verify550/100-monthly-monthly-subscription-25000-credits-get-api-singlephone/llms.txt): $40.00 per 1,000, 11% complete, live
- [Verify550, $190 monthly, Monthly Subscription, 100,000 credits, GET /api/singlePhone](https://datacircle.dev/validate-phone-apis/verify550/190-monthly-monthly-subscription-100000-credits-get-api-singlephone/llms.txt): $19.00 per 1,000, 11% complete, live
- [Verify550, $650 monthly, Monthly Subscription, 500,000 credits, GET /api/singlePhone](https://datacircle.dev/validate-phone-apis/verify550/650-monthly-monthly-subscription-500000-credits-get-api-singlephone/llms.txt): $13.00 per 1,000, 11% complete, live
- [Verify550, $1,150 monthly, Monthly Subscription, 1,000,000 credits, GET /api/singlePhone](https://datacircle.dev/validate-phone-apis/verify550/1150-monthly-monthly-subscription-1000000-credits-get-api-singlephone/llms.txt): $11.50 per 1,000, 11% complete, live
- [Verify550, $2,600 monthly, Monthly Subscription, 2,500,000 credits, GET /api/singlePhone](https://datacircle.dev/validate-phone-apis/verify550/2600-monthly-monthly-subscription-2500000-credits-get-api-singlephone/llms.txt): $10.40 per 1,000, 11% complete, live

## Verify550's calls for this API (2)

- `POST /api/bulkPhoneList`: [Verify550, $20 pack, 2,500 Credits, POST /api/bulkPhoneList](https://datacircle.dev/validate-phone-apis/verify550/20-pack-2500-credits-post-api-bulkphonelist/llms.txt)
- `GET /api/singlePhone`: [Verify550, $20 pack, 2,500 Credits, GET /api/singlePhone](https://datacircle.dev/validate-phone-apis/verify550/20-pack-2500-credits-get-api-singlephone/llms.txt)

## Verify550's APIs (2)

- [Verify550: phone validation API pricing, 16 plans, GET /api/singlePhone](https://datacircle.dev/validate-phone-apis/verify550/20-pack-2500-credits-get-api-singlephone/llms.txt)
- [Verify550: email verification API pricing, 16 plans, POST /api/bulk](https://datacircle.dev/validate-email-apis/verify550/20-pack-2500-credits-post-api-bulk/llms.txt)
- [Verify550: email verification API pricing, 16 plans, GET /api/singlemail](https://datacircle.dev/validate-email-apis/verify550/20-pack-2500-credits-get-api-singlemail/llms.txt)

## Verify550: phone validation API alternatives

- [Defastra, top-up, Pay as you go, first 5,000 requests a month](https://datacircle.dev/validate-phone-apis/defastra/top-up-pay-as-you-go-first-5000-requests-a-month/llms.txt): $70.00 per 1,000, 56% complete, live
- [Loqate, £250 pack](https://datacircle.dev/validate-phone-apis/loqate/250-pack/llms.txt): $74.676 per 1,000, 78% complete, live
- [Data8, £60 pack, 1,000 credits, POST /PhoneValidation/IsValid.json, IsValid](https://datacircle.dev/validate-phone-apis/data8/60-pack/llms.txt): $80.01 per 1,000, 56% complete, live
- [Postcoder, £27 pack](https://datacircle.dev/validate-phone-apis/postcoder/27-pack/llms.txt): $86.411 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 2026-11-05.

- https://verify550.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://verify550.com/documentation/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://verify550.com/documentation/how-it-works-2?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://verify550.com/documentation/validating-phone-numbers-using-the-verify550-api-2/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://verify550.com/documentation/validating-phone-numbers-using-the-verify550-api.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://verify550.com/mobile-number-validation-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://verify550.com/phone-validation-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://verify550.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://verify550.com/terms-conditions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing