# Cleon1, free: Phone finder API

> Phone enrichment through one simple API. Access enrichment with synchronous GET requests. No webhook plumbing. No async job IDs. The response comes back in the same connection.

Cleon1's phone finder API on its Free plan. It costs $0.00 per 1,000 phones. Cleon1's docs list 4 of the 11 key fields we check: Number, Name, Links, Company.
We haven't run Cleon1 through [our phone finder API benchmark](https://datacircle.dev/best-phone-finder-api.txt) yet.
This plan is free. We rank 723 plans for phone finder APIs by price. Half the plans cost $249.50 per 1,000 phones or less.
[QuickEnrich's $399 monthly plan](https://datacircle.dev/find-phone-apis/quickenrich/399-monthly/llms.txt) costs the least per 1,000 phones. QuickEnrich's $399 monthly plan charges nothing per call. You get as many phones as QuickEnrich's rate limit allows.
[MillionPhones](https://datacircle.dev/find-phone-apis/millionphones/300-monthly-pro-40000-credits-mo-get-phone/llms.txt), [AI Ark](https://datacircle.dev/find-phone-apis/ai-ark/119-monthly-usage-based-plan-30000-credits-month-post-v1-people-mobile-phone-finder/llms.txt) and [Skrapp](https://datacircle.dev/find-phone-apis/skrapp/349-monthly-enterprise-50k-get-api-v3-people-phone/llms.txt) are the best phone finder API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/find-phone-apis/cleon1/free
- [Phone finder API: the best of 20+ providers compared](https://datacircle.dev/best-phone-finder-api.txt)
- Get it: https://cleon1.com/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing#pricing
- Request: `GET https://api.cleon1.com/v1/phone-enrichment`
- API key: with the plan, on https://cleon1.com/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing#pricing
- Its API docs: https://api.cleon1.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing#/Version%201/phone_enrichment_v1_phone_enrichment_get
- Sold by: Cleon1 (https://cleon1.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing)
- Checked: 2026-11-06

## In the answer

- Completeness: 36%
- Number: ✓
- Name: ✓
- Links: ✓
- Company: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Phone enrichment through one simple API. Access enrichment with synchronous GET requests. No webhook plumbing. No async job IDs. The response comes back in the same connection.

## Data

- Keep data: six (12) months of receipt, then re-verify or delete, unless Customer has and maintains an independent legal basis to retain that Personal Data for a longer period
- Use data: Use of Output, including any phone numbers or other contact details, must be strictly limited to B2B communications relevant to the professional or business activity of the individual contacted. Customer must not use the Service in connection with, or on behalf of senders operating in, the following industries or activities, whether or not lawful in the relevant jurisdiction: gambling and betting, adult or sexual content, weapons, firearms or explosives, tobacco and tobacco-related products, illegal drugs and drug paraphernalia, political campaigning, lobbying or advocacy, hacking, cracking or unauthorized-access tools or services, penny stocks, retail forex trading, or unlicensed trading or investment advice, payday loans and predatory lending, lead sales or list brokering, and "get-rich-quick," "build your wealth" or similar work-at-home or income-opportunity schemes. Customer must not use the Service, or any Output, for any of the following use cases, irrespective of industry: mass surveillance or covert monitoring of individuals, facial recognition or other biometric identification, consumer credit scoring or other FCRA-type (or equivalent) eligibility determinations, employment screening, tenancy screening, or insurance underwriting or claims decisions concerning any individual, stalking, harassment, doxxing, or physically locating or tracing an individual, and any consumer-directed marketing, profiling or targeting that is not genuinely B2B in nature. Without limiting Section 13, Customer must not: (a) resell, redistribute, sublicense, rent or otherwise make Output available to any third party as a standalone data product, list or feed, (b) use Output, Customer Data or Credits to build, develop, train, fine-tune, test or validate any artificial intelligence or machine-learning model, (c) use Output to build or contribute to any standalone dataset, database or data product, or any reusable repository of Output intended for use across multiple customers or commercial engagements, (d) use Output to build or improve any product or service that competes with the Service, (e) attempt to re-identify, or combine Output with other data in order to derive, any special categories of personal data (Article 9 GDPR) or personal data relating to criminal convictions and offences (Article 10 GDPR), except where Customer has established a valid lawful basis and satisfies any additional condition required under Data Protection Laws, (f) use Output for any unlawful, deceptive or harmful purpose, or in a manner that infringes the rights of any data subject, (g) systematically cache, archive, retain or otherwise accumulate Output for the purpose of avoiding API calls, building or maintaining an independent database, creating a substitute source of enrichment, or reusing Output to provide enrichment or data services to third parties other than the Customer for whom the Output was originally obtained. These restrictions apply regardless of whether Output is combined, aggregated or blended with other data.

## Plan

- Pay: $0
- You get: 5 credits a month
- Enough for: 5 calls a month
- Expires: 2 months

## Rate limit

- Per second: 10
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: nothing required. Optional: first_name, last_name, company_name, company_domain, linkedin_url
- Method: GET
- Path: /v1/phone-enrichment

## About the plan

- Plan: Free
- Who can get it: offered exclusively for lawful business-to-business (B2B) use, not as, or on behalf of, a consumer

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

first name, last name, company name, company domain, LinkedIn URL, direct phone, credits left

## Cleon1's plans (6)

- [Cleon1, free](https://datacircle.dev/find-phone-apis/cleon1/free/llms.txt): $0.00 per 1,000, 36% complete
- [Cleon1, top-up](https://datacircle.dev/find-phone-apis/cleon1/top-up/llms.txt): $200.00 per 1,000, 36% complete
- [Cleon1, $39 monthly](https://datacircle.dev/find-phone-apis/cleon1/39-monthly/llms.txt): $1,560.00 per 1,000, 36% complete
- [Cleon1, $79 monthly](https://datacircle.dev/find-phone-apis/cleon1/79-monthly/llms.txt): $790.00 per 1,000, 36% complete
- [Cleon1, $348 yearly](https://datacircle.dev/find-phone-apis/cleon1/348-yearly/llms.txt): $1,160.00 per 1,000, 36% complete
- [Cleon1, $708 yearly](https://datacircle.dev/find-phone-apis/cleon1/708-yearly/llms.txt): $590.00 per 1,000, 36% complete

## Cleon1's calls (1)

- `GET /v1/phone-enrichment`: [Cleon1, free](https://datacircle.dev/find-phone-apis/cleon1/free/llms.txt)

## Cleon1's APIs (1)

- [Cleon1: phone finder API pricing, 6 plans](https://datacircle.dev/find-phone-apis/cleon1/free/llms.txt)

## Cleon1: phone finder API alternatives

- [MillionPhones, $60 monthly, Pro 3,000 credits/mo, POST /tables/{id}/enrich](https://datacircle.dev/find-phone-apis/millionphones/60-monthly-pro-3000-credits-mo-post-tables-id-enrich/llms.txt): $200.00 per 1,000, 36% complete, 1 month
- [Reverse Contact, $1,000 pack](https://datacircle.dev/find-phone-apis/reverse-contact/1000-pack/llms.txt): $200.00 per 1,000, 18% complete
- [lemlist, $20 monthly](https://datacircle.dev/find-phone-apis/lemlist/20-monthly/llms.txt): $200.00 per 1,000, 9% complete, live
- [Oppora, $20 monthly, Mini Pack Phone Credits, POST /phone/search](https://datacircle.dev/find-phone-apis/oppora/20-monthly-mini-pack-phone-credits-post-phone-search/llms.txt): $200.00 per 1,000, 9% 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 2026-11-06.

- https://api.cleon1.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing
- https://cleon1.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing
- https://cleon1.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-finder-api-pricing