WHOIS & domain data · REST API

WHOIS & domain data API — one endpoint for WHOIS data, domain data and DNS data, ready to wire into your CRM, agent or warehouse

TradeWind wraps WHOIS & domain data into a single REST API — WHOIS, DNS, SSL and registration data for the major global TLDs. Search on demand and get fields like registrant, registrar, created / expiry dates, nameservers and SSL issuer back in one call, without maintaining your own scrapers or bouncing between SaaS tools and CSV exports. Great for spotting new sites, DTC outbound and compliance / risk checks.

  • 📦 WHOIS, DNS, SSL and registration data for the major global TLDs
  • 🧾 Fields: registrant, registrar, created / expiry dates, nameservers and SSL issuer
  • 🔌 REST API + SDK, ready for CRM / agent
  • 💰 Pay per valid record — no seat fee

Why teams use TradeWind's WHOIS & domain data API

DimensionTradeWind APILegacy vendors
Access
REST API + SDKWHOIS lookup sites or one registrar's API
Coverage
WHOIS, DNS, SSL and registration data for the major global TLDsLimited to a single source
Structured fields
On-demand & incremental fetch
Million-row async batches
Chain with contact / email / agent
Billing model
Per valid recordSubscription or seat
BYOK upstream keys

Why builders pick TradeWind API

🔌
One API covers the shape

Skip stitching multiple sources — TradeWind unifies WHOIS & domain data (WHOIS data, domain data and DNS data) into one field shape and error contract.

🧾
Structured fields

Returns "registrant, registrar, created / expiry dates, nameservers and SSL issuer" already structured — ready to persist or hand to an agent.

🤖
Composable agent tool

Every endpoint plugs into LangGraph, Coze, n8n or Dify as a data tool — your agent decides when to call it.

💰
Pay per result

Charged only when we hit. No seat fee, no minimum spend, and BYOK cuts the orchestration fee in half.

Typical use cases

Backfill missing CRM fields

Plug WHOIS & domain data into Salesforce, HubSpot or Feishu Base — fill only the fields you're missing.

Feed your own agent

Serve as an agent data tool that closes the loop with research, reasoning and outreach.

Serve as a warehouse / BI base table

Incrementally sync into BigQuery, Snowflake or MaxCompute for market or account analytics.

White-label into your own SaaS

Expose the capability under your own brand — the multi-source plumbing stays invisible.

Pricing & billing

  • 1 USD = 40 credits, prepaid
  • Charged on hit only — misses cost nothing
  • No seat fees, no minimum spend
  • BYOK cuts orchestration fees in half
  • Dedicated SLA and private deployment on Enterprise

FAQ

How much does TradeWind's WHOIS & domain data cover?

WHOIS, DNS, SSL and registration data for the major global TLDs. Run a few real queries on the free tier to sanity-check coverage before you commit.

How fresh is the data?

Sources refresh daily, weekly or monthly depending on the upstream. Every response exposes a lastmod timestamp for incremental sync.

Can I combine it with contact / email / agent APIs?

Absolutely. WHOIS & domain data is usually chained with contact match, email verify and agent research — all inside one TradeWind API surface.

Is billing subscription or usage-based?

Usage-based — per call or per valid record. Prepaid credits, no seats, no minimums.

Is the data compliant?

Every dataset comes from public or licensed commercial sources, deduped and cleaned. TradeWind aligns with GDPR and CCPA and honors data-deletion requests.

Related

Ship the WHOIS & domain data API in a few lines of code