# OSINT.SX, $10 pack: Reverse email lookup API

> Check an email address against 197 sources at once and see which sites it's registered on, with the names, usernames and photos those sites show.

OSINT.SX's $10 pack plan for the reverse email lookup API costs $500.00 per 1,000 people. We check each provider's docs for 13 fields. OSINT.SX's docs list 2: About, Location.
We haven't run OSINT.SX through [our reverse email lookup API benchmark](https://datacircle.dev/best-reverse-email-lookup-api.txt) yet.
We rank 497 plans for reverse email lookup APIs by price. Half the plans cost $35.00 or less per 1,000 people. This plan costs less per 1,000 people than 3% of the 497 plans.
[Minerva's $400 monthly plan](https://datacircle.dev/reverse-email-lookup-apis/minerva/400-monthly/llms.txt) costs the least per 1,000 people. Minerva's reverse email lookup API costs nothing beyond the plan price. [StableEnrich's pay-as-you-go plan](https://datacircle.dev/reverse-email-lookup-apis/stableenrich/pay-as-you-go/llms.txt) costs the least for 10,000 people a month: $0.20.
[Village's $25 pack (Reverse Lookup by Email, cached only)](https://datacircle.dev/reverse-email-lookup-apis/village/25-pack-1000-credits-post-v2-people-enrich-by-email-reverse-lookup-by-email-cached-only/llms.txt) covers any number of people, and costs less up front than Minerva's $400 monthly plan.
[GetProspect](https://datacircle.dev/reverse-email-lookup-apis/getprospect/399-monthly-growth-50k-post-v2-people-enrich/llms.txt), [Village](https://datacircle.dev/reverse-email-lookup-apis/village/1-monthly/llms.txt) and [Findymail](https://datacircle.dev/reverse-email-lookup-apis/findymail/399-monthly-business-plus-post-api-search-reverse-email-reverse-email-lookup-full/llms.txt) are the best reverse email lookup API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/reverse-email-lookup-apis/osint-sx/10-pack
- [Reverse email lookup API in 2026: the best of 30+ compared](https://datacircle.dev/best-reverse-email-lookup-api.txt)
- Get it: https://osint.sx/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- Request: `POST https://api.osint.sx/search`
- API key: with the plan, on https://osint.sx/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- Its API docs: https://osint.sx/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- Sold by: OSINT.SX (https://osint.sx?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 15%
- About: ✓
- Location: ✓

## Price

- $ per 1,000 people: $500.00
- Per: call
- Billing: pay first

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Phone lookup · Username search · Name search · Google Search · Microsoft Search · Epic Games Lookup · Instagram Trace · TikTok Trace · Twitter Archiver · Steam Archiver

## Overage

- Units cap: hard

## Not found

- $ per 1,000 calls that find nothing: $500.00

## In their words

- Their pitch: Check an email address against 197 sources at once and see which sites it's registered on, with the names, usernames and photos those sites show.

## Data

- Freshness: live
- Keep data: Users may not [...] download, store, or transmit any of our content without prior written consent
- Use data: Users are strictly prohibited from: Using the platform to harass, stalk, intimidate, or target any individual or group, Attempting to collect personal information with the intent to harm, embarrass, or manipulate others, Engaging in any conduct that could reasonably be considered threatening or harmful, Scraping, crawling, or systematically extracting data from OSINT.SX, except through the official API, within its limits, Using automated tools, scripts, or bots to access our Service, except through the official API, within its limits, Attempting to bypass our usage limits or authentication mechanisms, Reproducing, duplicating, copying, selling, or reselling any portion of the Service without explicit written permission, Using the Service for illegal activities, Violating local, state, national, or international laws, Infringing on intellectual property rights, Attempting to gain unauthorized access to our systems or other users' accounts. Users may not reproduce, distribute, modify, create derivative works of, publicly display, publicly perform, republish, download, store, or transmit any of our content without prior written consent

## Plan

- Pay: $10
- You get: 20 credits
- Enough for: 20 calls

## Rate limit

- Concurrent: 10
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: moduleType "email", identifier, Content-Type header "application/json". Optional: alertMode
- Method: POST
- Path: /search

## About the plan

- Plan: $10 pack
- Who can get it: anyone 18 or older

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

site, name, username, photo, location, bio, last seen, sources run, progress, fast sources complete

## OSINT.SX's plans (8)

- [OSINT.SX, $10 pack](https://datacircle.dev/reverse-email-lookup-apis/osint-sx/10-pack/llms.txt): $500.00 per 1,000, 15% complete, live
- [OSINT.SX, $12 pack](https://datacircle.dev/reverse-email-lookup-apis/osint-sx/12-pack/llms.txt): $600.00 per 1,000, 15% complete, live
- [OSINT.SX, $25 pack](https://datacircle.dev/reverse-email-lookup-apis/osint-sx/25-pack/llms.txt): $454.546 per 1,000, 15% complete, live
- [OSINT.SX, $50 pack](https://datacircle.dev/reverse-email-lookup-apis/osint-sx/50-pack/llms.txt): $400.00 per 1,000, 15% complete, live
- [OSINT.SX, $100 pack](https://datacircle.dev/reverse-email-lookup-apis/osint-sx/100-pack/llms.txt): $363.636 per 1,000, 15% complete, live
- [OSINT.SX, $250 pack](https://datacircle.dev/reverse-email-lookup-apis/osint-sx/250-pack/llms.txt): $333.333 per 1,000, 15% complete, live
- [OSINT.SX, $500 pack](https://datacircle.dev/reverse-email-lookup-apis/osint-sx/500-pack/llms.txt): $312.50 per 1,000, 15% complete, live
- [OSINT.SX, $1,000 pack](https://datacircle.dev/reverse-email-lookup-apis/osint-sx/1000-pack/llms.txt): $285.714 per 1,000, 15% complete, live

## OSINT.SX's calls (1)

- `POST /search`: [OSINT.SX, $10 pack](https://datacircle.dev/reverse-email-lookup-apis/osint-sx/10-pack/llms.txt)

## OSINT.SX's APIs (1)

- [OSINT.SX Reverse email lookup API pricing, 8 plans](https://datacircle.dev/reverse-email-lookup-apis/osint-sx/10-pack/llms.txt)

## OSINT.SX: reverse email lookup API alternatives

[OSINT.SX alternatives: other reverse email lookup API providers by price](https://datacircle.dev/osint-sx-alternatives.txt)

We list other providers' plans closest to this plan in price per 1,000 people. Each plan in the list gives live data.

- [Sherlockeye, $46 monthly, Intermediate, POST /v1/searches/sync](https://datacircle.dev/reverse-email-lookup-apis/sherlockeye/46-monthly-intermediate-post-v1-searches-sync/llms.txt): $383.333 per 1,000, 31% complete, live
- [Opsis, top-up from $20](https://datacircle.dev/reverse-email-lookup-apis/opsis/top-up-from-20/llms.txt): $400.00 per 1,000, 23% complete, live
- [OSINT Industries, £99 monthly, Advanced, POST /v2/request/stream](https://datacircle.dev/reverse-email-lookup-apis/osint-industries/99-monthly-advanced-post-v2-request-stream/llms.txt): $440.055 per 1,000, 38% complete, live
- [Noimosiny, $135 pack](https://datacircle.dev/reverse-email-lookup-apis/noimosiny/135-pack/llms.txt): $540.00 per 1,000, 31% 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 2026-11-07.

- https://osint.sx?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://osint.sx/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://osint.sx/email-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://osint.sx/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://osint.sx/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://osint.sx/tools?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing