Authentication API pricing
Based on the 151 providers in this tag whose pricing pages we have read. Providers can belong to several. Pricing data as of 2026-10-30.
$25/momedian entry price, from 26 developer APIs
$14.5–$53.5middle half of entry prices
48%state a model other than negotiated
How they charge
98 of 151 providers state a pricing model. Shares are of those that do.
Tiered subscription 40% · 39 Negotiated 26% · 25 Other usage-based 17% · 17 Per call 9% · 9 Per seat 3% · 3 Flat platform fee 2% · 2 Share of transaction 2% · 2 Free 1% · 1What you pay for
Quoted or calculated from quotes, per unit. Calculated figures assume the plan's quota is fully used. Units are never averaged together, credits get no price because each vendor defines its own, and units with fewer than 5 providers show a count only.
| Billing unit | Providers | Median price per unit |
|---|---|---|
| request | 5 | $0.00025 |
| token | 3 | — |
| transaction | 2 | — |
| message | 1 | — |
| credit | 1 | — |
Lowest entry prices
The cheapest paid plan is a floor on getting started, not what real usage will cost. Excludes take-rate providers and add-ons.
| Provider | Entry plan | Charges by | Per month |
|---|---|---|---|
| TypingDNA | Pro | Other usage-based | $1 |
| Google Cloud API Gateway | API calls 1B+ per month | Per call | $1.5 |
| Insforge | Nano compute | Tiered subscription | $5 |
| Appwrite | Dedicated database compute | Tiered subscription | $10 |
| Supabase | Compute Micro | Tiered subscription | $10 |
| ThirdWatch | Starter | unstated | $12.9 |
| Neon | Launch | Other usage-based | $15 |
| Gel Data | pro | Tiered subscription | $19.5 |
| Unkey | Pro (Compute) | Tiered subscription | $20 |
| Logto | Pro | Tiered subscription | $24 |
| Clerk | Pro | Tiered subscription | $25 |
| Arcade.dev | Team | Per call | $25 |
| Zuplo | Builder | Tiered subscription | $25 |
| Memberstack | Basic (Monthly) | Tiered subscription | $25 |
| Kinde | Pro | Tiered subscription | $25 |