[ web3forms.com · “Contact Forms for Modern Websites” · verified 2026-08-20 ]
Web3Forms is a popular free-first form-to-email API for static sites: your access key is effectively an alias for your email address, and submissions arrive in your inbox with no server code. It is simple, generous at the free tier, and run by a responsive solo founder. The comparison below focuses on programmatic control — the axis where the two products differ most.
The short answer
Furrow Forms is the better choice for API-first teams, agencies, and anyone using AI agents: forms, sites, and accounts can be created and configured programmatically, and webhooks are signed, retried, and logged on every tier. Web3Forms is the better choice for a quick, free contact form where email is the destination and 250 submissions a month is enough.
Furrow Forms — best for
Agent-driven setup, multi-site agencies, webhook-first pipelines, server-side submission flows
Web3Forms — best for
Free personal sites, email-destination contact forms, quick no-backend setup
Feature by feature
| Capability | Furrow Forms | Web3Forms |
|---|---|---|
| Create & configure forms via API | yes Full CRUD over REST + MCP; bootstrap_site provisions a whole site’s forms in one call | no Form creation and configuration are dashboard-only (email verification required) |
| MCP server | yes 26 tools over streamable HTTP or stdio — full lifecycle, from account registration to reading submissions and Stripe billing links | no llms.txt exists, but there is no operable agent surface |
| Agent cold-start (account via API) | yes Agents register accounts via GET/POST /api/register; the human reads one email code | no Signup is browser-only; the marketing site itself blocks automated fetches behind Cloudflare Turnstile |
| Site-level settings, inherited by forms | yes Security and routing configured once per website; every form inherits | no Per-form, partly via hidden HTML fields at submission time |
| Signed webhooks with retries + log | yes HMAC-SHA256 signed, retried with backoff, logged, testable — all tiers | partial Pro plan, single URL, auto-retry; unsigned payloads |
| Spam protection | yes Honeypot + timing field + Turnstile + domain allowlist + rate limits + server-side filtering, on by default; spam never counts toward quota | partial Honeypot + hCaptcha free; reCAPTCHA v3 and Turnstile are Pro features |
| API access on the free tier | yes The whole product on the free tier, volume-capped | no The Submissions API is Pro-only and explicitly read-only; server-side submits need a paid plan + IP allowlisting |
| File uploads | yes Opt-in per website, inherited by every form; files land in a private per-site inbox (PDF, JPEG, PNG, WebP by default) — emails and webhooks link to it, never to raw file URLs | yes Attachments on Pro, 30-day file storage |
| Native integrations | no Signed webhooks are the integration story | partial Google Sheets, Slack, Discord, Telegram (Pro); Zapier/Make/Notion listed as coming soon |
| Hosted form builder | no No hosted pages — your form lives in your codebase | no Also bring-your-own-HTML |
Pricing
| Furrow Forms | Web3Forms | |
|---|---|---|
| Free tier | $0 — 100 subs/mo, full API + MCP | $0 — 250 subs/mo, 1 recipient, 30-day history |
| Paid tier | $199/yr flat per workspace — 10k subs/mo, unlimited forms & sites | Pro ~$13–15/mo (~$150–158/yr) — 10k subs/mo, most features unlock here |
| Forms & sites | Unlimited | Unlimited forms & domains on all plans |
| Retention | 2 years on Pro | 30 days free / 1 year on paid |
Web3Forms’ free tier is more generous on volume (250 vs 100). Furrow’s free tier includes the full API and MCP surface; Web3Forms gates its read-only API, Turnstile, webhooks, and attachments behind Pro.
The agent test
[ web3forms.com ]
[ furrow forms ]
Honest trade-offs
FAQ
Yes for developers, agencies, and AI-agent workflows: Furrow Forms adds a full management API, MCP server, agent cold-start, signed webhooks, and site-level settings inheritance. Web3Forms remains a good pick for a free personal contact form where email delivery is all that is needed.
No. Web3Forms forms are created in the dashboard after browser signup, and its Pro-only REST API is explicitly read-only. Furrow Forms exposes create/update/archive for clients, projects, and forms over both REST and MCP, on the free tier.
Web3Forms is free for 250 submissions/month and roughly $13–15/month for Pro. Furrow Forms is free for 100 submissions/month with the entire API included, and $199/year flat per workspace for 10,000 submissions/month. Web3Forms is cheaper; Furrow includes programmatic control that Web3Forms does not sell at any tier.
Only as a documentation reader: it publishes an llms.txt, but there is no management API or MCP server, and its marketing site blocks automated fetches with a Cloudflare challenge. Furrow Forms is operable end to end by agents, including account registration.
[ verified against web3forms.com on 2026-08-20 · re-checked monthly · corrections welcome — /contact ]
paste this into your agent
Fetch furrowforms.com/ai and set up forms for this site.