# TrekMail, free, Nano, POST /verify, Verify one address (quick): Email verification API > Integrate via REST API for real-time validation in your signup flow. TrekMail's email verification API on its Nano plan. It costs $0.00 per 1,000 emails. It returns 3 of the 6 key fields we check: Address, Deliverability, Confidence. The cheapest of the 1,671 priced plans is [treg, top-up from $10](https://datacircle.dev/validate-email-apis/treg/top-up-from-10/llms.txt), at $0.00 per 1,000. - This page: https://datacircle.dev/validate-email-apis/trekmail/free-nano-post-verify-verify-one-address-quick - Get it: https://trekmail.net/pricing - Its API docs: https://trekmail.net/docs/email-verifier/email-verifier-api - Sold by: TrekMail (https://trekmail.net) - Checked: 2026-10-22 ## In the answer - Completeness: 50% - Address: ✓ - Deliverability: ✓ - Confidence: ✓ ## Price - $ per 1,000: $0.00 - Billing: free ## Aggregators - Aggregators: none ## Charges - Per: call - Also pays for: from the same budget: Create a bulk job ## Not found - $ per 1,000: $0.00 ## Catch-all - $ per 1,000: $0.00 ## In their words - Their pitch: Integrate via REST API for real-time validation in your signup flow. ## Data - Freshness: live - Keep data: no limit - Use data: Prohibited Use: You may not use the API to circumvent plan limits, scrape data at scale, resell API access, or automate actions that violate our Acceptable Use Policy (Section 5). [...] You may not use the Email Verifier to harvest, scrape, or validate email addresses obtained without consent, or to facilitate unsolicited email campaigns in violation of the Acceptable Use Policy (Section 5). ## Plan - Pay: $0 - You get: 10 credits a month - Enough for: 10 calls a month - Expires: monthly credits do not roll over ## Rate limit - Per second: 1 - Batch: 1 ## Speed - Answer: in the call ## The call - You send: email, Content-Type header "application/json". Optional: mode "quick" - Method: POST - Path: /verify ## About the plan - Plan: Nano - Who can get it: anyone at least 18 years of age (or the age of majority in their jurisdiction) and not barred from receiving services under sanctions laws ## The 7 fields the plan's answer can hold email, status, trust score, checks, provider, risk factors, credits remaining ## TrekMail's plans (17) - [TrekMail, free, Nano, POST /verify, Verify one address (quick)](https://datacircle.dev/validate-email-apis/trekmail/free-nano-post-verify-verify-one-address-quick/llms.txt): $0.00 per 1,000, 50% complete, live - [TrekMail, $5 pack, 1,000 credits, POST /verify, Verify one address (quick)](https://datacircle.dev/validate-email-apis/trekmail/5-pack-1000-credits-post-verify-verify-one-address-quick/llms.txt): $5.00 per 1,000, 50% complete, live - [TrekMail, $10 pack, 2,500 credits, POST /verify, Verify one address (quick)](https://datacircle.dev/validate-email-apis/trekmail/10-pack-2500-credits-post-verify-verify-one-address-quick/llms.txt): $4.00 per 1,000, 50% complete, live - [TrekMail, $17 pack, 5,000 credits, POST /verify, Verify one address (quick)](https://datacircle.dev/validate-email-apis/trekmail/17-pack-5000-credits-post-verify-verify-one-address-quick/llms.txt): $3.40 per 1,000, 50% complete, live - [TrekMail, $29 pack, 10,000 credits, POST /verify, Verify one address (quick)](https://datacircle.dev/validate-email-apis/trekmail/29-pack-10000-credits-post-verify-verify-one-address-quick/llms.txt): $2.90 per 1,000, 50% complete, live - [TrekMail, $59 pack, 25,000 credits, POST /verify, Verify one address (quick)](https://datacircle.dev/validate-email-apis/trekmail/59-pack-25000-credits-post-verify-verify-one-address-quick/llms.txt): $2.36 per 1,000, 50% complete, live - [TrekMail, $99 pack, 50,000 credits, POST /verify, Verify one address (quick)](https://datacircle.dev/validate-email-apis/trekmail/99-pack-50000-credits-post-verify-verify-one-address-quick/llms.txt): $1.98 per 1,000, 50% complete, live - [TrekMail, $179 pack, 100,000 credits, POST /verify, Verify one address (quick)](https://datacircle.dev/validate-email-apis/trekmail/179-pack-100000-credits-post-verify-verify-one-address-quick/llms.txt): $1.79 per 1,000, 50% complete, live - [TrekMail, $399 pack, 250,000 credits, POST /verify, Verify one address (quick)](https://datacircle.dev/validate-email-apis/trekmail/399-pack-250000-credits-post-verify-verify-one-address-quick/llms.txt): $1.596 per 1,000, 50% complete, live - [TrekMail, $699 pack, 500,000 credits, POST /verify, Verify one address (quick)](https://datacircle.dev/validate-email-apis/trekmail/699-pack-500000-credits-post-verify-verify-one-address-quick/llms.txt): $1.398 per 1,000, 50% complete, live - [TrekMail, $999 pack, 1,000,000 credits, POST /verify, Verify one address (quick)](https://datacircle.dev/validate-email-apis/trekmail/999-pack-1000000-credits-post-verify-verify-one-address-quick/llms.txt): $0.999 per 1,000, 50% complete, live - [TrekMail, $4 monthly, Starter, POST /verify, Verify one address (quick)](https://datacircle.dev/validate-email-apis/trekmail/4-monthly-starter-post-verify-verify-one-address-quick/llms.txt): $40.00 per 1,000, 50% complete, live - [TrekMail, $10 monthly, Pro, POST /verify, Verify one address (quick)](https://datacircle.dev/validate-email-apis/trekmail/10-monthly-pro-post-verify-verify-one-address-quick/llms.txt): $33.333 per 1,000, 50% complete, live - [TrekMail, $29 monthly, Agency, POST /verify, Verify one address (quick)](https://datacircle.dev/validate-email-apis/trekmail/29-monthly-agency-post-verify-verify-one-address-quick/llms.txt): $29.00 per 1,000, 50% complete, live - [TrekMail, $42 yearly, Starter, POST /verify, Verify one address (quick)](https://datacircle.dev/validate-email-apis/trekmail/42-yearly-starter-post-verify-verify-one-address-quick/llms.txt): $35.00 per 1,000, 50% complete, live - [TrekMail, $96 yearly, Pro, POST /verify, Verify one address (quick)](https://datacircle.dev/validate-email-apis/trekmail/96-yearly-pro-post-verify-verify-one-address-quick/llms.txt): $26.667 per 1,000, 50% complete, live - [TrekMail, $279 yearly, Agency, POST /verify, Verify one address (quick)](https://datacircle.dev/validate-email-apis/trekmail/279-yearly-agency-post-verify-verify-one-address-quick/llms.txt): $23.25 per 1,000, 50% complete, live ## TrekMail's calls (4) - `POST /verify/bulk`, Create a bulk job (deep): [TrekMail, free, Nano, POST /verify/bulk, Create a bulk job (deep)](https://datacircle.dev/validate-email-apis/trekmail/free-nano-post-verify-bulk-create-a-bulk-job-deep/llms.txt) - `POST /verify/bulk`, Create a bulk job (quick): [TrekMail, free, Nano, POST /verify/bulk, Create a bulk job (quick)](https://datacircle.dev/validate-email-apis/trekmail/free-nano-post-verify-bulk-create-a-bulk-job-quick/llms.txt) - `POST /verify`, Verify one address (deep): [TrekMail, free, Nano, POST /verify, Verify one address (deep)](https://datacircle.dev/validate-email-apis/trekmail/free-nano-post-verify-verify-one-address-deep/llms.txt) - `POST /verify`, Verify one address (quick): [TrekMail, free, Nano, POST /verify, Verify one address (quick)](https://datacircle.dev/validate-email-apis/trekmail/free-nano-post-verify-verify-one-address-quick/llms.txt) ## TrekMail's APIs (1) - [TrekMail: email verification API pricing, 17 plans, POST /verify, Verify one address (quick)](https://datacircle.dev/validate-email-apis/trekmail/free-nano-post-verify-verify-one-address-quick/llms.txt) ## TrekMail: email verification API alternatives - [Enrich.so, free, Free, POST /email-validation](https://datacircle.dev/validate-email-apis/enrich-so/free/llms.txt): $0.00 per 1,000, 50% complete, live - [GetProspect, free, Free, POST /v2/email-verifications](https://datacircle.dev/validate-email-apis/getprospect/free-free-post-v2-email-verifications/llms.txt): $0.00 per 1,000, 50% complete, live - [KaijuVerifier, free, Free, POST /api/v1/jobs](https://datacircle.dev/validate-email-apis/kaijuverifier/free-free-post-api-v1-jobs/llms.txt): $0.00 per 1,000, 50% complete, live - [Neutrino API, free, Free, GET /email-verify](https://datacircle.dev/validate-email-apis/neutrino-api/free-free-get-email-verify/llms.txt): $0.00 per 1,000, 50% 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 2026-10-22. - https://trekmail.net/docs/ai-agents-api/api-scopes-permissions - https://trekmail.net/docs/ai-agents-api/creating-api-tokens - https://trekmail.net/docs/email-verifier/email-verifier-api - https://trekmail.net/docs/email-verifier/email-verifier-overview - https://trekmail.net/docs/email-verifier/email-verifier-pricing - https://trekmail.net/docs/email-verifier/verification-credits - https://trekmail.net/docs/plans/trekmail-plans-overview - https://trekmail.net/email-verifier - https://trekmail.net/llms.txt - https://trekmail.net/pricing - https://trekmail.net/terms