Compare 6 free api gateway tools, free tiers, and developer deals. 1 is not a free offer. We could not confirm today's terms for 2 of them: on 1 the page we cite did not answer, and on 1 our own read did not confirm them. Each row says why. Nothing on record contradicts our terms for Zuplo and more.

Free API Gateway Tools

6 free tiers and developer deals. One of them is not on our ranked list — 1 is not a free offer. Catalogue dates here run to 2026-09-24.

What this name holds: Gateways and proxies that sit in front of an API in production, doing routing, keys and rate limits.

2 other names here answer “how do I build and publish an API”, and each holds a different list: API Development (41), Documentation (7).

We track 5 api gateway services with a free tier we hold as current and 1 without. This category has seen some movement — 8 pricing changes recorded across vendors.

Vendor Tier Description Read / catalogue date
Zuplo Free Free tier includes 100K requests / month. Custom domains are $25/mo for 2 domains (max). 2026-09-24
Kong OSS Superseded: As of 2026-09-25, konghq.com/pricing reads: Kong Konnect offers a 30-day free trial with no credit card required, including access to all features. The free trial includes no gateway limits and analytics retained for 30 days. We are not publishing our stored Kong terms beside it — our own pricing change record, discovered 2026-09-25, names them as the previous ones. Read what we recorded ↓ 2026-09-25 / 2026-07-28
Hookdeck Developer Event gateway — 10K events/month, 100K discarded requests, 3-day retention, 5 events/sec throughput. SOC2 compliant 2026-09-24
Unkey Free The "Free" API key management plan is priced at 0 USD / mo and lists "1k API keys", "150K valid requests / mo", "1-day logs retention", "3-day audit log retention" and "Unlimited APIs". 2026-09-24 / 2026-07-30
X (Twitter) Pay-per-use (no free tier) Social media API — free tier eliminated February 2026, replaced with pay-per-use credit model. April 20, 2026 overhaul: Owned Reads (fetching your own posts, followers, likes) now $0.001/request; write cost raised to $0.015/post; URL-containing posts now $0.20/post. Following, likes, and quote-posts via API have been removed from all self-serve tiers. 'For-good' utility apps remain free. Basic fixed tier starts at $200/monthWe could not read the page we cite for this offer when we last looked, on 2026-09-13, so we cannot confirm these terms today. 2026-07-07 · tried 2026-09-13, no read
Tyk Open Source Open-source API gateway — self-hosted: free forever under MPL-2.0, includes rate limiting, auth, analytics. Cloud: 48-hour free trial only, paid plans usage-based. Dashboard and developer portal includedOur read on 2026-09-28 found the page different from the terms we hold, and we hold no confirmation of the terms we publish. 2026-09-28 / 2026-07-30

Frequently Asked Questions

What is the best free api gateway service?
We publish no ranking of these. Nothing we record measures popularity or generosity, so naming a best or a top few would be our preference rather than our data. We hold 6 API Gateway services in our catalogue, listed in the table above with each one's tier, published terms and the read and catalogue dates we hold. 5 of them state a free tier we hold as current and 1 does not — the tier column says which. Our ranking rule is published at /criteria.
How many free api gateway tools are there?
We track 6 api gateway services on AgentDeals, 5 of which state a free tier we hold as current. These range from generous always-free tiers to limited trial periods. Of the 6 API Gateway entries we hold, 1 carries terms a read confirmed in the last 90 days.
How stable are api gateway free tiers?
8 pricing changes have been recorded across api gateway vendors. Check our Stability Dashboard for per-vendor details.
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