# LeadFuze, $250 monthly, Starter, POST /phone-validation/bulk-csv: Phone validation API > Confirm a number is real, see whether it is a mobile, and get it back in E.164 and local formats. LeadFuze's phone validation API on its Starter plan. It returns 2 of the 9 key fields we check: Validity, Risk. We rank 722 plans by price. [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 [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 our benchmark. - This page: https://datacircle.dev/validate-phone-apis/leadfuze/250-monthly-starter-post-phone-validation-bulk-csv - [Best phone validation API in 2026: providers compared](https://datacircle.dev/best-phone-validation-api.txt) - Get it: https://www.leadfuze.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - Request: `POST https://console.leadfuze.com/api/v1/phone-validation/bulk-csv` - API key: with the plan, on https://www.leadfuze.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - Its API docs: https://www.leadfuze.com/api-docs/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - Sold by: LeadFuze (https://www.leadfuze.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing) - Checked: 2026-11-02 ## In the answer - Completeness: 22% - Validity: ✓ - Risk: ✓ ## Price - Per: result - Billing: monthly - $ a month: $250 ## Aggregators - Aggregators: none ## Charges - Repeat free: 10 minutes - Also pays for: Enrich by email · Enrich by phone · Enrich by LinkedIn URL · Find people at a company domain · Get a profile by up_id · Reveal full records · Export a search to a file · Enrich a CSV of emails · Enrich a CSV of LinkedIn URLs · Verify an email · Verify up to 100 emails · Verify a CSV of emails · Run an Intent Scan: 5 a month · from the same budget: Validate a phone number · Validate up to 100 numbers ## In their words - Their pitch: Confirm a number is real, see whether it is a mobile, and get it back in E.164 and local formats. ## Data - Freshness: stored - What it checks: numbering plan - Keep data: no API terms - Use data: no API terms ## Plan - Pay: $250 ## Rate limit - Per second: 16.67 ## Speed - Answer: by polling ## The call - You send: file. Optional: region, async - Method: POST - Path: /phone-validation/bulk-csv ## About the plan - Plan: Starter - Who can get it: anyone ## The 6 fields the plan's answer can hold success, bulk job ID, status URL, download URL, status, risk level ## LeadFuze's plans (6) - [LeadFuze, $250 monthly, Starter, POST /phone-validation/bulk-csv](https://datacircle.dev/validate-phone-apis/leadfuze/250-monthly-starter-post-phone-validation-bulk-csv/llms.txt): 22% complete, stored - [LeadFuze, $500 monthly, Growth, POST /phone-validation/bulk-csv](https://datacircle.dev/validate-phone-apis/leadfuze/500-monthly-growth-post-phone-validation-bulk-csv/llms.txt): 22% complete, stored - [LeadFuze, $1,500 monthly, Scale, POST /phone-validation/bulk-csv](https://datacircle.dev/validate-phone-apis/leadfuze/1500-monthly-scale-post-phone-validation-bulk-csv/llms.txt): 22% complete, stored - [LeadFuze, $2,500 yearly, Starter yearly, POST /phone-validation/bulk-csv](https://datacircle.dev/validate-phone-apis/leadfuze/2500-yearly-starter-yearly-post-phone-validation-bulk-csv/llms.txt): 22% complete, stored - [LeadFuze, $5,000 yearly, Growth yearly, POST /phone-validation/bulk-csv](https://datacircle.dev/validate-phone-apis/leadfuze/5000-yearly-growth-yearly-post-phone-validation-bulk-csv/llms.txt): 22% complete, stored - [LeadFuze, $15,000 yearly, Scale yearly, POST /phone-validation/bulk-csv](https://datacircle.dev/validate-phone-apis/leadfuze/15000-yearly-scale-yearly-post-phone-validation-bulk-csv/llms.txt): 22% complete, stored ## LeadFuze's calls for this API (3) - `POST /phone-validation/bulk-csv`: [LeadFuze, $250 monthly, Starter, POST /phone-validation/bulk-csv](https://datacircle.dev/validate-phone-apis/leadfuze/250-monthly-starter-post-phone-validation-bulk-csv/llms.txt) - `POST /phone-validation/validate`: [LeadFuze, $250 monthly, Starter, POST /phone-validation/validate](https://datacircle.dev/validate-phone-apis/leadfuze/250-monthly-starter-post-phone-validation-validate/llms.txt) - `POST /phone-validation/bulk`: [LeadFuze, $250 monthly, Starter, POST /phone-validation/bulk](https://datacircle.dev/validate-phone-apis/leadfuze/250-monthly-starter-post-phone-validation-bulk/llms.txt) ## LeadFuze's APIs (8) - [LeadFuze: people search API pricing, 16 plans](https://datacircle.dev/people-search-apis/leadfuze/50-pack/llms.txt) - [LeadFuze: email finder API pricing, 6 plans](https://datacircle.dev/find-email-apis/leadfuze/250-monthly/llms.txt) - [LeadFuze: people enrichment API pricing, 6 plans](https://datacircle.dev/person-enrichment-apis/leadfuze/250-monthly/llms.txt) - [LeadFuze: reverse email lookup API pricing, 6 plans](https://datacircle.dev/reverse-email-lookup-apis/leadfuze/250-monthly/llms.txt) - [LeadFuze: LinkedIn profile API pricing, 6 plans](https://datacircle.dev/linkedin-profile-apis/leadfuze/250-monthly/llms.txt) - [LeadFuze: phone finder API pricing, 6 plans, POST /enrichment/email](https://datacircle.dev/find-phone-apis/leadfuze/250-monthly-starter-post-enrichment-email/llms.txt) - [LeadFuze: phone finder API pricing, 6 plans, POST /enrichment/linkedin](https://datacircle.dev/find-phone-apis/leadfuze/250-monthly-starter-post-enrichment-linkedin/llms.txt) - [LeadFuze: phone validation API pricing, 6 plans, POST /phone-validation/bulk-csv](https://datacircle.dev/validate-phone-apis/leadfuze/250-monthly-starter-post-phone-validation-bulk-csv/llms.txt) - [LeadFuze: email verification API pricing, 6 plans, POST /verification/bulk-csv](https://datacircle.dev/validate-email-apis/leadfuze/250-monthly-starter-post-verification-bulk-csv/llms.txt) - [LeadFuze: email verification API pricing, 6 plans, POST /verification/email](https://datacircle.dev/validate-email-apis/leadfuze/250-monthly-starter-post-verification-email/llms.txt) - [LeadFuze: email verification API pricing, 6 plans, POST /verification/bulk](https://datacircle.dev/validate-email-apis/leadfuze/250-monthly-starter-post-verification-bulk/llms.txt) ## LeadFuze: phone validation API alternatives - [CallerAPI, $25 monthly, Basic, GET /api/ported/{phone}](https://datacircle.dev/validate-phone-apis/callerapi/25-monthly-basic-get-api-ported-phone/llms.txt): 22% complete - [NeuralVerge, $50 monthly](https://datacircle.dev/validate-phone-apis/neuralverge/50-monthly/llms.txt): 78% complete, stored - [LoneScale, $200 monthly](https://datacircle.dev/validate-phone-apis/lonescale/200-monthly/llms.txt): 22% complete - [Whapi.Cloud, $35 monthly](https://datacircle.dev/validate-phone-apis/whapi-cloud/35-monthly/llms.txt): no limit, 11% complete, stored ## Sources From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-02. - https://www.leadfuze.com/api-docs/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - https://www.leadfuze.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - https://www.leadfuze.com/products/enrichment/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing - https://www.leadfuze.com/terms/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing