# Strale, free: Cached phone validation API

> Validate a phone number and classify its type. Returns E.164 format, country, carrier name, and whether it is mobile, landline, or VOIP. Covers 200+ countries.

Strale's cached phone validation API on its Free trial credits plan. It costs $0.00 per 1,000 phones. It returns 5 of the 9 key fields we check: Formats, Validity, Type, Carrier, Place.

- This page: https://datacircle.dev/cached-phone-validation-apis/strale/free
- Get it: https://strale.dev/pricing
- Its API docs: https://strale.dev/capabilities/phone-validate
- Sold by: Strale (https://strale.dev)
- Checked: 2026-10-21

## In the answer

- Completeness: 56%
- Formats: ✓
- Validity: ✓
- Type: ✓
- Carrier: ✓
- Place: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Per: call
- Also pays for: from the same budget: every capability and solution

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Validate a phone number and classify its type. Returns E.164 format, country, carrier name, and whether it is mobile, landline, or VOIP. Covers 200+ countries.

## Data

- Freshness: stored
- Keep data: no limit
- Use data: You agree not to use the Service to: break the law, evade sanctions, or facilitate fraud, process personal data of EU/UK data subjects without an appropriate lawful basis, circumvent rate limits, quotas, or the Service’s authentication, resell the Service as your own or build a competing product whose primary purpose is to mirror Strale’s capability catalog, scrape or systematically extract Strale’s own metadata (capability descriptions, test results, pricing) outside of the documented public endpoints, use AI-assisted capability outputs as the sole basis for decisions with legal or significant effects on a person without human review [...] You retain all rights to the data you send to the Service and to the structured responses you receive.

## Plan

- Pay: $0

## Rate limit

- Per second: 10
- Batch: 1

## The call

- You send: capability_slug, inputs.phone_number. Optional: country_code, max_price_cents, require_fresh, dry_run
- Method: POST
- Path: /v1/do

## About the plan

- Plan: Free trial credits
- Who can get it: anyone who signs up, one trial credit per email address

## The 10 fields the plan's answer can hold

input, valid, E.164 format, possible, phone type, carrier, country code, country name, national format, international format

## Strale's plans (3)

- [Strale, free](https://datacircle.dev/cached-phone-validation-apis/strale/free/llms.txt): $0.00 per 1,000, 56% complete, stored
- [Strale, pay as you go](https://datacircle.dev/cached-phone-validation-apis/strale/pay-as-you-go/llms.txt): $21.60 per 1,000, 56% complete, stored
- [Strale, top-up from €10](https://datacircle.dev/cached-phone-validation-apis/strale/top-up-from-10/llms.txt): $22.506 per 1,000, 56% complete, stored

## Strale's calls (2)

- `POST /v1/do`: [Strale, free](https://datacircle.dev/cached-phone-validation-apis/strale/free/llms.txt)
- `GET /x402/phone-validate`: [Strale, pay as you go](https://datacircle.dev/cached-phone-validation-apis/strale/pay-as-you-go/llms.txt)

## Strale's APIs (4)

- [Strale: company enrichment API pricing, 3 plans](https://datacircle.dev/company-enrichment-apis/strale/free/llms.txt)
- [Strale: cached phone validation API pricing, 3 plans](https://datacircle.dev/cached-phone-validation-apis/strale/free/llms.txt)
- [Strale: cached email verification API pricing, 4 plans, POST /v1/do, Bulk Email Validation](https://datacircle.dev/cached-email-validation-apis/strale/free-trial-credits-post-v1-do-bulk-email-validation/llms.txt)
- [Strale: cached email verification API pricing, 4 plans, POST /v1/do, Email Validation](https://datacircle.dev/cached-email-validation-apis/strale/free-trial-credits-post-v1-do-email-validation/llms.txt)
- [Strale: company technology API pricing, 3 plans, POST /v1/do, Company Tech Stack](https://datacircle.dev/company-technology-apis/strale/free-trial-credits-post-v1-do-company-tech-stack/llms.txt)
- [Strale: company technology API pricing, 3 plans, POST /v1/do, Tech Stack Detection](https://datacircle.dev/company-technology-apis/strale/free-trial-credits-post-v1-do-tech-stack-detection/llms.txt)

## Strale: cached phone validation API alternatives

- [Neutrino API, free](https://datacircle.dev/cached-phone-validation-apis/neutrino-api/free/llms.txt): $0.00 per 1,000, 67% complete, stored
- [Botoi, free](https://datacircle.dev/cached-phone-validation-apis/botoi/free/llms.txt): $0.00 per 1,000, 44% complete, stored
- [Veriphone, free](https://datacircle.dev/cached-phone-validation-apis/veriphone/free/llms.txt): $0.00 per 1,000, 67% complete, stored
- [Trestle, free](https://datacircle.dev/cached-phone-validation-apis/trestle/free/llms.txt): $0.00 per 1,000, 56% 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 2026-10-21.

- https://api.strale.io/v1/capabilities
- https://strale.dev
- https://strale.dev/capabilities/phone-validate
- https://strale.dev/docs
- https://strale.dev/llms.txt
- https://strale.dev/pricing
- https://strale.dev/privacy
- https://strale.dev/terms