# Tomba, free, Free, GET /author-finder: Cached email finder API > Finds the email address of the author of an article or blog post from its URL. Tomba's cached email finder API on its Free plan. It costs $0.00 per 1,000 emails. It returns 9 of the 10 key fields we check: Verification, Confidence, Catch-all domain, Where found, Name, Job title, Company, LinkedIn URL, Location. The cheapest of the 316 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. - This page: https://datacircle.dev/find-cached-email-apis/tomba/free-free-get-author-finder - [Best cached email finder API in 2026](https://datacircle.dev/best-cached-email-finder-api.txt) - Get it: https://tomba.io/pricing - Its API docs: https://docs.tomba.io/api/finder#author-finder - Sold by: Tomba (https://tomba.io) - Checked: 2026-10-26 ## In the answer - Completeness: 90% - Verification: ✓ - Confidence: ✓ - Catch-all domain: ✓ - Where found: ✓ - Name: ✓ - Job title: ✓ - Company: ✓ - LinkedIn URL: ✓ - Location: ✓ ## Price - $ per 1,000 emails: $0.00 - Per: call - Billing: free ## Aggregators - Aggregators: none ## Charges - Repeat free: 30 days - Also pays for: GET /email-count · GET /email-format · GET /location · GET /email-sources · from the same budget: GET /domain-search · GET /email-finder · GET /enrich · GET /linkedin · GET /phone-finder · GET /phone-validator · POST /reveal/search · GET /similar · GET /people/find · GET /companies/find · GET /combined/find · Bulk jobs ## Not found - $ per 1,000: $0.00 ## Catch-all - $ per 1,000: $0.00 ## Bounce - Bounce refund: the credit, for a hard bounce of an address scored 60 or higher, reported from the API or the dashboard and confirmed after review ## In their words - Their pitch: Finds the email address of the author of an article or blog post from its URL. ## Data - Freshness: 1 month - Keep data: Refresh or purge cached contact data at least every twelve (12) months, delete cached data for any contact when we notify you that the contact has exercised a right of erasure, or when you receive such a request directly, delete all cached and stored API data within ninety (90) days of terminating your subscription, not store API data longer than necessary for your permitted use - Use data: we grant you a limited, non-exclusive, non-transferable, non-sublicensable, revocable licence to: [...] Use data returned by the API for your own internal business purposes, or to deliver functionality to your own end users where your plan permits This licence does not permit you to make the API, or data obtained through it, available as a standalone data product, lookup service, or competing dataset. [...] In addition to the prohibitions in Section 5 of the Terms of Service, you must not: Mirror, republish, resell, or redistribute API data, or expose it through a public endpoint, free tool, or open dataset, Build or contribute to a product that competes with Tomba, or use the API to benchmark for a competing service without our prior written consent, Store API data longer than necessary for your permitted use, or build a persistent shadow copy of our database, Use the API to enrich or resolve data about individuals in their personal capacity, [...] Present API data in a way that suggests Tomba endorses your product, or misrepresent the source or accuracy of the data, Use the API for any FCRA-regulated purpose described in Section 2 of the Terms of Service [...] Where you display data obtained through the API to end users, you must attribute Tomba as the source unless your written agreement with us says otherwise. [...] You agree not to, and not to permit any third party to: Reproduce, duplicate, sell, resell, sublicense, rent, lease, or redistribute the Service or its data, or build a competing product or dataset from it, [...] Use the Service to send spam, phishing, malware, harassment, or any unlawful, deceptive, or misleading communication, Use the Service to compile data about individuals for purposes unrelated to legitimate business-to-business outreach, Target individuals in their personal capacity, or seek personal (non-business) contact details, Collect or infer special categories of personal data, including data revealing racial or ethnic origin, political opinions, religious beliefs, trade union membership, genetic or biometric data, health data, or data concerning sex life or sexual orientation, Use the Service for any FCRA-regulated purpose described in Section 2, Use the Service in violation of any applicable law, including data protection, anti-spam, and marketing laws [...] You agree to: Attribute Tomba when publishing data or metrics obtained through the Service ## Plan - Pay: $0 - You get: 25 credits a month - Enough for: 25 calls a month - Expires: at each 30-day reset: unused credits don't carry over ## Rate limit - Per day: 5 - Per second: 0.033 - Batch: 1 ## Speed - Answer: in the call ## The call - You send: url. Optional: webhook_url - Method: GET - Path: /author-finder ## About the plan - Plan: Free - Who can get it: anyone 18 or over ## The 50 fields the plan's answer can hold email, first name, last name, full name, company domain, company name, job title, country, gender, Twitter URL, LinkedIn URL, confidence score, accept-all domain, has phone number, verification date, verification status, source URL, source domain, source first seen date, source last seen date, source still on page, article URL, article title, article description, article image URL, article domain, publication name, article publish date, candidate full name, candidate first name, candidate last name, candidate email, candidate job title, candidate bio, candidate image URL, candidate image from Gravatar, candidate author page URL, candidate website, candidate LinkedIn URL, candidate Twitter URL, candidate Facebook URL, candidate GitHub URL, candidate Instagram URL, candidate YouTube URL, candidate Mastodon URL, candidate Bluesky URL, candidate name sources, candidate name confidence, candidate score, candidate name count ## Tomba's plans (28) - [Tomba, free, Free, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/free-free-get-author-finder/llms.txt): $0.00 per 1,000, 90% complete, 1 month - [Tomba, pay as you go, Pay per request (agents.tomba.io), GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/pay-as-you-go-pay-per-request-agents-tomba-io-get-author-finder/llms.txt): $3.12 per 1,000, 90% complete, 1 month - [Tomba, $239 pack, Pro, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/239-pack-pro-get-author-finder/llms.txt): $11.95 per 1,000, 90% complete, 1 month - [Tomba, $539 pack, Pro Plus, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/539-pack-pro-plus-get-author-finder/llms.txt): $10.78 per 1,000, 90% complete, 1 month - [Tomba, $1,080 pack, Scale 100k, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/1080-pack-scale-100k-get-author-finder/llms.txt): $10.80 per 1,000, 90% complete, 1 month - [Tomba, $2,035 pack, Scale 200k, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/2035-pack-scale-200k-get-author-finder/llms.txt): $10.175 per 1,000, 90% complete, 1 month - [Tomba, $2,909 pack, Scale 300k, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/2909-pack-scale-300k-get-author-finder/llms.txt): $9.697 per 1,000, 90% complete, 1 month - [Tomba, $3,648 pack, Scale 400k, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/3648-pack-scale-400k-get-author-finder/llms.txt): $9.12 per 1,000, 90% complete, 1 month - [Tomba, $4,446 pack, Scale 500k, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/4446-pack-scale-500k-get-author-finder/llms.txt): $8.892 per 1,000, 90% complete, 1 month - [Tomba, $4,968 pack, Scale 600k, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/4968-pack-scale-600k-get-author-finder/llms.txt): $8.28 per 1,000, 90% complete, 1 month - [Tomba, $5,724 pack, Scale 700k, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/5724-pack-scale-700k-get-author-finder/llms.txt): $8.177 per 1,000, 90% complete, 1 month - [Tomba, $5,760 pack, Scale 800k, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/5760-pack-scale-800k-get-author-finder/llms.txt): $7.20 per 1,000, 90% complete, 1 month - [Tomba, $6,432 pack, Scale 900k, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/6432-pack-scale-900k-get-author-finder/llms.txt): $7.147 per 1,000, 90% complete, 1 month - [Tomba, $49 monthly, Basic, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/49-monthly-basic-get-author-finder/llms.txt): $19.60 per 1,000, 90% complete, 1 month - [Tomba, $89 monthly, Growth, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/89-monthly-growth-get-author-finder/llms.txt): $17.80 per 1,000, 90% complete, 1 month - [Tomba, $199 monthly, Pro, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/199-monthly-pro-get-author-finder/llms.txt): $9.95 per 1,000, 90% complete, 1 month - [Tomba, $449 monthly, Pro Plus, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/449-monthly-pro-plus-get-author-finder/llms.txt): $8.98 per 1,000, 90% complete, 1 month - [Tomba, $899 monthly, Scale 100k, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/899-monthly-scale-100k-get-author-finder/llms.txt): $8.99 per 1,000, 90% complete, 1 month - [Tomba, $1,620 monthly, Scale 200k, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/1620-monthly-scale-200k-get-author-finder/llms.txt): $8.10 per 1,000, 90% complete, 1 month - [Tomba, $2,499 monthly, Scale 350k, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/2499-monthly-scale-350k-get-author-finder/llms.txt): $7.14 per 1,000, 90% complete, 1 month - [Tomba, $441 yearly, Basic, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/441-yearly-basic-get-author-finder/llms.txt): $14.70 per 1,000, 90% complete, 1 month - [Tomba, $801 yearly, Growth, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/801-yearly-growth-get-author-finder/llms.txt): $13.35 per 1,000, 90% complete, 1 month - [Tomba, $1,791 yearly, Pro, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/1791-yearly-pro-get-author-finder/llms.txt): $7.463 per 1,000, 90% complete, 1 month - [Tomba, $4,041 yearly, Pro Plus, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/4041-yearly-pro-plus-get-author-finder/llms.txt): $6.735 per 1,000, 90% complete, 1 month - [Tomba, $8,091 yearly, Scale 100k, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/8091-yearly-scale-100k-get-author-finder/llms.txt): $6.742 per 1,000, 90% complete, 1 month - [Tomba, $14,580 yearly, Scale 200k, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/14580-yearly-scale-200k-get-author-finder/llms.txt): $6.075 per 1,000, 90% complete, 1 month - [Tomba, $22,491 yearly, Scale 350k, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/22491-yearly-scale-350k-get-author-finder/llms.txt): $5.355 per 1,000, 90% complete, 1 month - [Tomba, $59,988 yearly, Enterprise, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/59988-yearly-enterprise-get-author-finder/llms.txt): $1.666 per 1,000, 90% complete, 1 month ## Tomba's calls for this API (3) - `GET /author-finder`: [Tomba, free, Free, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/free-free-get-author-finder/llms.txt) - `GET /email-finder`, Email Finder: [Tomba, free, Free, GET /email-finder, Email Finder](https://datacircle.dev/find-cached-email-apis/tomba/free/llms.txt) - `GET /email-finder`, Email Finder, full: [Tomba, free, Free, GET /email-finder, Email Finder, full](https://datacircle.dev/find-cached-email-apis/tomba/free-free-get-email-finder-email-finder-full/llms.txt) ## Tomba's APIs (11) - [Tomba: cached LinkedIn profile API pricing, 28 plans](https://datacircle.dev/cached-linkedin-profile-apis/tomba/free/llms.txt) - [Tomba: cached company discovery API pricing, 27 plans](https://datacircle.dev/cached-company-discovery-apis/tomba/free/llms.txt) - [Tomba: cached company enrichment API pricing, 28 plans](https://datacircle.dev/cached-company-enrichment-apis/tomba/free/llms.txt) - [Tomba: cached similar companies API pricing, 28 plans](https://datacircle.dev/cached-similar-company-apis/tomba/free/llms.txt) - [Tomba: cached tech stack API pricing, 28 plans](https://datacircle.dev/cached-company-technology-apis/tomba/free/llms.txt) - [Tomba: phone finder API pricing, 28 plans](https://datacircle.dev/find-phone-apis/tomba/free/llms.txt) - [Tomba: phone validation API pricing, 28 plans](https://datacircle.dev/validate-phone-apis/tomba/free/llms.txt) - [Tomba: cached email finder API pricing, 28 plans, GET /author-finder](https://datacircle.dev/find-cached-email-apis/tomba/free-free-get-author-finder/llms.txt) - [Tomba: cached reverse email lookup API pricing, 28 plans, GET /combined/find](https://datacircle.dev/cached-reverse-email-lookup-apis/tomba/free-free-get-combined-find/llms.txt) - [Tomba: cached reverse email lookup API pricing, 28 plans, GET /enrich](https://datacircle.dev/cached-reverse-email-lookup-apis/tomba/free/llms.txt) - [Tomba: cached reverse email lookup API pricing, 28 plans, GET /people/find](https://datacircle.dev/cached-reverse-email-lookup-apis/tomba/free-free-get-people-find/llms.txt) - [Tomba: cached people search API pricing, 28 plans, GET /domain-search, Domain Search](https://datacircle.dev/cached-people-search-apis/tomba/free/llms.txt) - [Tomba: cached people search API pricing, 28 plans, GET /domain-search, Domain Search, full](https://datacircle.dev/cached-people-search-apis/tomba/free-free-get-domain-search-domain-search-full/llms.txt) - [Tomba: email verification API pricing, 27 plans, GET /email-verifier, Email Verifier](https://datacircle.dev/validate-email-apis/tomba/pay-as-you-go/llms.txt) - [Tomba: email verification API pricing, 27 plans, GET /email-verifier, Email Verifier, full](https://datacircle.dev/validate-email-apis/tomba/pay-as-you-go-pay-per-request-agents-tomba-io-get-email-verifier-email-verifier-full/llms.txt) ## Tomba: cached email finder API alternatives - [GetLeads, $497 monthly, Unlimited, POST /api/v1/enrich/from-person](https://datacircle.dev/find-cached-email-apis/getleads/497-monthly-unlimited-post-api-v1-enrich-from-person/llms.txt): $0.083 per 1,000, 50% complete, 1 month - [StableEnrich, pay as you go, Pay per request with x402 or MPP, POST /api/minerva/enrich](https://datacircle.dev/find-cached-email-apis/stableenrich/pay-as-you-go-pay-per-request-with-x402-or-mpp-post-api-minerva-enrich/llms.txt): $0.10 per 1,000, 60% complete, 1 day - [BlitzAPI, top-up from $0.60](https://datacircle.dev/find-cached-email-apis/blitzapi/top-up-from-0-60/llms.txt): $1.00 per 1,000, 10% complete, 30 days - [Skrapp, $13,488 yearly, Enterprise 500K, POST /api/v2/find_bulk](https://datacircle.dev/find-cached-email-apis/skrapp/13488-yearly-enterprise-500k-post-api-v2-find-bulk/llms.txt): $2.248 per 1,000, 30% complete, 30 days ## Sources From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-26. - https://docs.tomba.io/api/finder#author-finder - https://docs.tomba.io/attributes/person - https://docs.tomba.io/data - https://docs.tomba.io/data-quality-guarantee - https://docs.tomba.io/data/updates - https://docs.tomba.io/faqs - https://docs.tomba.io/openapi.md - https://docs.tomba.io/rate-limits - https://docs.tomba.io/usage-and-quotas - https://tomba.io/_nuxt/DNrNyzjN.js - https://tomba.io/legal/api-terms - https://tomba.io/legal/terms-of-service - https://tomba.io/linkedin-finder - https://tomba.io/pricing