# pipe0, top-up from $10: Cached email finder API

> Find work email addresses in a waterfall motion.

pipe0's cached email finder API on its Pay as you go plan. It returns 1 of the 10 key fields we check: Verification.
The cheapest of the 324 plans we rank by price is [GetLeads, $249 monthly, Partner, POST /api/v1/enrich/csv, From LinkedIn profile URL: CSV bulk](https://datacircle.dev/find-cached-email-apis/getleads/249-monthly-partner-post-api-v1-enrich-csv-from-linkedin-profile-url-csv-bulk/llms.txt), at $0.042 per 1,000 emails.

- This page: https://datacircle.dev/find-cached-email-apis/pipe0/top-up-from-10
- [Best cached email finder API in 2026](https://datacircle.dev/best-cached-email-finder-api.txt)
- Get it: https://pipe0.com/pricing
- Its API docs: https://pipe0.com/docs/pipe-catalog/person:workemail:waterfall/1
- Sold by: pipe0 (https://pipe0.com)
- Checked: 2026-10-22

## In the answer

- Completeness: 10%
- Verification: ✓

## Score

- Overall score: 71.8
- Price score: 77
- Data score: 80
- Cost to get started score: 93
- Bundle score: 67
- Performance score: 2

## Price

- Billing: pay first

## Strengths

- Strengths: 100+ people a request

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: pipes · searches

## In their words

- Their pitch: Find work email addresses in a waterfall motion.

## Data

- Freshness: stored
- Keep data: no time limit, not cached or shared to avoid running a pipe
- Use data: only your own internal business purposes, to initiate and manage business relationships relevant to the person's professional role, not resold or made available to third parties other than service providers acting for you, not used to build a database, list, directory or enrichment service offered to others or to compete with pipe0 or a provider, no eligibility decisions, consumer-oriented offers, re-identification or unlawful unsolicited communication

## Plan

- Pay: $10
- Expires: never

## Rate limit

- Per second: 33.33
- Batch: 100

## Speed

- Answer: in the call or by polling
- Median: 5.56 s

## The call

- You send: pipes ([{"pipe_id": "person:workemail:waterfall@1"}]) and input (up to 100 records, each with name and company_domain). Optional: config, field_annotations, scopes, and each pipe's config (providers, allow_catch_all_emails, allow_risky_emails), run_if and connector
- Method: POST
- Path: /v1/pipes/run/sync

## About the plan

- Plan: Pay as you go
- Who can get it: businesses only, in the course of their trade, business or profession

## The 2 fields the plan's answer can hold

work email, email validation status

## pipe0's plans (5)

- [pipe0, top-up from $10](https://datacircle.dev/find-cached-email-apis/pipe0/top-up-from-10/llms.txt): 10% complete, stored
- [pipe0, $49 monthly](https://datacircle.dev/find-cached-email-apis/pipe0/49-monthly/llms.txt): 10% complete, stored
- [pipe0, $149 monthly](https://datacircle.dev/find-cached-email-apis/pipe0/149-monthly/llms.txt): 10% complete, stored
- [pipe0, $349 monthly](https://datacircle.dev/find-cached-email-apis/pipe0/349-monthly/llms.txt): 10% complete, stored
- [pipe0, contact us](https://datacircle.dev/find-cached-email-apis/pipe0/contact-us/llms.txt): 10% complete, stored

## pipe0's calls for this API (1)

- `POST /v1/pipes/run/sync`: [pipe0, top-up from $10](https://datacircle.dev/find-cached-email-apis/pipe0/top-up-from-10/llms.txt)

## pipe0's APIs (18)

- [pipe0: cached LinkedIn profile API pricing, 5 plans](https://datacircle.dev/cached-linkedin-profile-apis/pipe0/top-up-from-10/llms.txt)
- [pipe0: LinkedIn people search API pricing, 5 plans](https://datacircle.dev/linkedin-people-search-apis/pipe0/top-up-from-10/llms.txt)
- [pipe0: LinkedIn post reaction API pricing, 5 plans](https://datacircle.dev/linkedin-post-reaction-apis/pipe0/top-up-from-10/llms.txt)
- [pipe0: LinkedIn post search API pricing, 5 plans](https://datacircle.dev/linkedin-post-search-apis/pipe0/top-up-from-10/llms.txt)
- [pipe0: company funding API pricing, 5 plans](https://datacircle.dev/company-funding-apis/pipe0/top-up-from-10/llms.txt)
- [pipe0: company open jobs API pricing, 5 plans](https://datacircle.dev/company-open-job-apis/pipe0/top-up-from-10/llms.txt)
- [pipe0: similar companies API pricing, 5 plans](https://datacircle.dev/similar-company-apis/pipe0/top-up-from-10/llms.txt)
- [pipe0: tech stack API pricing, 5 plans](https://datacircle.dev/company-technology-apis/pipe0/top-up-from-10/llms.txt)
- [pipe0: job postings API pricing, 5 plans](https://datacircle.dev/job-posting-apis/pipe0/top-up-from-10/llms.txt)
- [pipe0: company enrichment API pricing, 5 plans, POST /v1/pipes/run/sync, Company identity (company:identity@3)](https://datacircle.dev/company-enrichment-apis/pipe0/top-up-from-10-pay-as-you-go-post-v1-pipes-run-sync-company-identity-company-identity-3/llms.txt)
- [pipe0: company enrichment API pricing, 5 plans, POST /v1/pipes/run/sync, Company overview (company:overview@3)](https://datacircle.dev/company-enrichment-apis/pipe0/top-up-from-10-pay-as-you-go-post-v1-pipes-run-sync-company-overview-company-overview-3/llms.txt)
- [pipe0: cached company enrichment API pricing, 5 plans, Company match (company:match:amplemarket@1)](https://datacircle.dev/cached-company-enrichment-apis/pipe0/top-up-from-10-pay-as-you-go-post-v1-pipes-run-sync-company-match-company-match-amplemarket-1/llms.txt)
- [pipe0: cached company enrichment API pricing, 5 plans, Company match (company:match:crustdata@2)](https://datacircle.dev/cached-company-enrichment-apis/pipe0/top-up-from-10-pay-as-you-go-post-v1-pipes-run-sync-company-match-company-match-crustdata-2/llms.txt)
- [pipe0: company discovery API pricing, 5 plans, POST /v1/search/run/sync, Company search (AI) (companies:entitysearch:parallel@1)](https://datacircle.dev/company-discovery-apis/pipe0/top-up-from-10-pay-as-you-go-post-v1-search-run-sync-company-search-ai-companies-entitysearch-parallel-1/llms.txt)
- [pipe0: company discovery API pricing, 5 plans, POST /v1/search/run/sync, Company search (companies:profiles:crustdata@3)](https://datacircle.dev/company-discovery-apis/pipe0/top-up-from-10-pay-as-you-go-post-v1-search-run-sync-company-search-companies-profiles-crustdata-3/llms.txt)
- [pipe0: reverse email lookup API pricing, 5 plans, POST /v1/pipes/run/sync, Email → LinkedIn URL (URL only) (person:profileurl:email:waterfall@1)](https://datacircle.dev/reverse-email-lookup-apis/pipe0/top-up-from-10-pay-as-you-go-post-v1-pipes-run-sync-email-linkedin-url-url-only-person-profileurl-email-waterfall-1/llms.txt)
- [pipe0: reverse email lookup API pricing, 5 plans, POST /v1/pipes/run/sync, Full LinkedIn profile from email (person:identity:email:waterfall@2)](https://datacircle.dev/reverse-email-lookup-apis/pipe0/top-up-from-10-pay-as-you-go-post-v1-pipes-run-sync-full-linkedin-profile-from-email-person-identity-email-waterfall-2/llms.txt)
- [pipe0: phone finder API pricing, 5 plans, POST /v1/pipes/run/sync, Mobile number from email (person:mobile:workemail:waterfall@1)](https://datacircle.dev/find-phone-apis/pipe0/top-up-from-10-pay-as-you-go-post-v1-pipes-run-sync-mobile-number-from-email-person-mobile-workemail-waterfall-1/llms.txt)
- [pipe0: phone finder API pricing, 5 plans, POST /v1/pipes/run/sync, Mobile number from LinkedIn profile (person:mobile:profileurl:waterfall@1)](https://datacircle.dev/find-phone-apis/pipe0/top-up-from-10-pay-as-you-go-post-v1-pipes-run-sync-mobile-number-from-linkedin-profile-person-mobile-profileurl-waterfall-1/llms.txt)
- [pipe0: people search API pricing, 5 plans, POST /v1/search/run/sync, People search (AI) (people:entitysearch:parallel@1)](https://datacircle.dev/people-search-apis/pipe0/top-up-from-10-pay-as-you-go-post-v1-search-run-sync-people-search-ai-people-entitysearch-parallel-1/llms.txt)
- [pipe0: people search API pricing, 5 plans, POST /v1/search/run/sync, People search (people:profiles:amplemarket@2)](https://datacircle.dev/people-search-apis/pipe0/top-up-from-10-pay-as-you-go-post-v1-search-run-sync-people-search-people-profiles-amplemarket-2/llms.txt)
- [pipe0: people search API pricing, 5 plans, POST /v1/pipes/run/sync, Role finder (multiple) (roles:waterfall@1)](https://datacircle.dev/people-search-apis/pipe0/top-up-from-10-pay-as-you-go-post-v1-pipes-run-sync-role-finder-multiple-roles-waterfall-1/llms.txt)
- [pipe0: people search API pricing, 5 plans, POST /v1/pipes/run/sync, Role finder (role:waterfall@1)](https://datacircle.dev/people-search-apis/pipe0/top-up-from-10-pay-as-you-go-post-v1-pipes-run-sync-role-finder-role-waterfall-1/llms.txt)
- [pipe0: email verification API pricing, 5 plans, POST /v1/pipes/run/sync, Validate email (email:validate:zerobounce@1)](https://datacircle.dev/validate-email-apis/pipe0/top-up-from-10-pay-as-you-go-post-v1-pipes-run-sync-validate-email-email-validate-zerobounce-1/llms.txt)
- [pipe0: email verification API pricing, 5 plans, POST /v1/pipes/run/sync, Validate email (person:email:validate:millionverifier@1)](https://datacircle.dev/validate-email-apis/pipe0/top-up-from-10-pay-as-you-go-post-v1-pipes-run-sync-validate-email-person-email-validate-millionverifier-1/llms.txt)
- [pipe0: email finder API pricing, 5 plans](https://datacircle.dev/find-email-apis/pipe0/top-up-from-10-pay-as-you-go-post-v1-pipes-run-sync-work-email-from-linkedin-url-person-workemail-profileurl-waterfall-1/llms.txt)
- [pipe0: cached email finder API pricing, 5 plans](https://datacircle.dev/find-cached-email-apis/pipe0/top-up-from-10/llms.txt)

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-22.

- https://docs.amplemarket.com/api-reference/people-enrichment/single-person-enrichment
- https://pipe0.com/docs/api/pipes/run-sync
- https://pipe0.com/docs/billing
- https://pipe0.com/docs/pipe-catalog/person:workemail:waterfall/1
- https://pipe0.com/docs/rate-limits
- https://pipe0.com/pricing
- https://pipe0.com/resources/legal/dpa
- https://pipe0.com/resources/legal/terms-of-service/20261014