# Espysys, €500 pack: Reverse email lookup API

> The E-mail Lookup API enables information enrichment of an email address to uncover associated data across multiple sources.

Espysys's reverse email lookup API on its Pay As You Go plan. It costs $3,375.90 per 1,000 people. It returns none of the 13 key fields we check: Experience, Education, Skills, Headline and 9 more.
€3,000.00 per 1,000 people is $3,375.90 at the European Central Bank's rate of $1.1253 for €1.
We haven't run Espysys through [our reverse email lookup API benchmark](https://datacircle.dev/best-reverse-email-lookup-api.txt) yet.
Half of the 395 plans we rank by price cost $25.00 per 1,000 people or less. We leave this plan out of our price ranking because this plan costs more than $500 to start. This plan costs more per 1,000 people than each of the 395 plans we rank.
[Village's $1 monthly plan](https://datacircle.dev/reverse-email-lookup-apis/village/1-monthly-core-post-v2-people-enrich-by-email-reverse-lookup-by-email-cached-only/llms.txt) costs the least per 1,000 people: as little as $0.0000039. Village's $1 monthly plan covers up to 259,200,000 people a month at no extra cost.
[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. Village's $25 pack costs more up front than Village's $1 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 [treg](https://datacircle.dev/reverse-email-lookup-apis/treg/top-up-from-200/llms.txt) are the best reverse email lookup API providers in our benchmark.

- This page: https://datacircle.dev/reverse-email-lookup-apis/espysys/500-pack
- [Reverse email lookup API: 20+ providers compared](https://datacircle.dev/best-reverse-email-lookup-api.txt)
- Get it: https://espysys.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- Request: `POST https://irbis.espysys.com/api/developer/combined_email`
- API key: with the plan, on https://espysys.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- Its API docs: https://api-docs.espysys.com/e-mail-lookup/headers-and-body-request-by-e-mail-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- Sold by: Espysys (https://espysys.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 0%

## Price

- $ per 1,000 people: $3,375.90
- Per: call
- Billing: pay first

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Phone Lookup · BreachScan · Name WebScan · Psychological Portrait · Phone Bulk Lookup · Instagram ID WebScan · Phone WebScan · Face WebScan · Name SocialScan

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: The E-mail Lookup API enables information enrichment of an email address to uncover associated data across multiple sources.

## Data

- Freshness: live
- Keep data: no limit
- Use data: 1.3 Restrictions: You may not reverse engineer, copy, sublicense, resell, or misuse the System. Unauthorized sharing, system tampering, or illegal use is strictly prohibited. [...] 3.3 Ensure all data processing is legal and compliant with privacy laws.

## Plan

- Pay: €500
- You get: 5,000 credits
- Enough for: about 166 calls
- Expires: 12 months from purchase

## Rate limit

- Per second: 0.033
- Batch: 1

## Speed

- Answer: by polling

## The call

- You send: value, lookupId
- Method: POST
- Path: /api/developer/combined_email

## About the plan

- Plan: Pay As You Go
- Who can get it: anyone

## The 91 fields the plan's answer can hold

criteria, source, result ID, user ID, request monitor ID, request ID, failure reason, failed, created time, request, status, type, local time, query, misconfigured, last entry, Skype data, Microsoft Teams data, email search success, email search title, email search message, breach name, breach title, breach domain, breach date, breach added date, breach modified date, breached accounts count, breach description, breach logo, breach attribution, breach disclosure URL, breached data classes, verified breach, fabricated breach, sensitive breach, retired breach, spam list, malware breach, subscription free breach, stealer log breach, profile name, social network, social profile URL, email info, Google contributor name, Google contributor thumbnail, Google contributor points, Google contributor level, local guide, reviews contributed, ratings contributed, photos contributed, videos contributed, captions contributed, answers contributed, edits contributed, reported incorrect contributed, places added, roads added, facts checked, Q&A contributed, review place title, review place address, review place coordinates, review place type, review place thumbnail, review place data ID, review date, review snippet, review translated snippet, review ID, review rating, review likes, review link, Wayback Google ID, Wayback found, Wayback message, Wayback profile, Wayback posts, Wayback images, account scan mode, account scan query, account scan duration, account name, account URL, account category, account status, account metadata, Google scan criteria, PLUTO data

## Espysys's plans (5)

- [Espysys, €500 pack](https://datacircle.dev/reverse-email-lookup-apis/espysys/500-pack/llms.txt): $3,375.90 per 1,000, 0% complete, live
- [Espysys, €98 monthly](https://datacircle.dev/reverse-email-lookup-apis/espysys/98-monthly/llms.txt): $1,125.30 per 1,000, 0% complete, live
- [Espysys, €450 monthly](https://datacircle.dev/reverse-email-lookup-apis/espysys/450-monthly/llms.txt): $900.24 per 1,000, 0% complete, live
- [Espysys, €1,056 yearly](https://datacircle.dev/reverse-email-lookup-apis/espysys/1056-yearly/llms.txt): $1,010.473 per 1,000, 0% complete, live
- [Espysys, €4,860 yearly](https://datacircle.dev/reverse-email-lookup-apis/espysys/4860-yearly/llms.txt): $810.216 per 1,000, 0% complete, live

## Espysys's calls for this API (1)

- `POST /api/developer/combined_email`: [Espysys, €500 pack](https://datacircle.dev/reverse-email-lookup-apis/espysys/500-pack/llms.txt)

## Espysys's APIs (7)

- [Espysys: people enrichment API pricing, 3 plans](https://datacircle.dev/person-enrichment-apis/espysys/500-pack/llms.txt)
- [Espysys: phone validation API pricing, 5 plans](https://datacircle.dev/validate-phone-apis/espysys/500-pack/llms.txt)
- [Espysys: reverse email lookup API pricing, 5 plans](https://datacircle.dev/reverse-email-lookup-apis/espysys/500-pack/llms.txt)
- [Espysys: Instagram profile API pricing, 3 plans](https://datacircle.dev/instagram-profile-apis/espysys/500-pack/llms.txt)
- [Espysys: email verification API pricing, 4 plans](https://datacircle.dev/validate-email-apis/espysys/98-monthly/llms.txt)
- [Espysys: company enrichment API pricing, 2 plans](https://datacircle.dev/company-enrichment-apis/espysys/450-monthly/llms.txt)
- [Espysys: web scraping API pricing, 2 plans](https://datacircle.dev/web-scraping-apis/espysys/450-monthly/llms.txt)

## Espysys: reverse email lookup API alternatives

- [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, £49 monthly, Intermediate, POST /v2/request/stream](https://datacircle.dev/reverse-email-lookup-apis/osint-industries/49-monthly-intermediate-post-v2-request-stream/llms.txt): $653.415 per 1,000, 38% complete, live
- [Predicta Search, €299.99 monthly](https://datacircle.dev/reverse-email-lookup-apis/predicta-search/299-99-monthly/llms.txt): $3,375.787 per 1,000, 8% 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 2026-11-04.

- https://api-docs.espysys.com/e-mail-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://api-docs.espysys.com/e-mail-lookup/get-get-lookup-data-for-a-request-by-e-mail-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://api-docs.espysys.com/e-mail-lookup/headers-and-body-request-by-e-mail-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://api-docs.espysys.com/e-mail-lookup/search-response-schema?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://api-docs.espysys.com/requests-endpoints?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://espysys.com/irbis-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://espysys.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://espysys.com/terms-of-use?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing