A2A API pricing
Based on the 366 providers in this tag whose pricing pages we have read. Providers can belong to several. Pricing data as of 2026-10-30.
$29/momedian entry price, from 49 developer APIs
$20–$66.5middle half of entry prices
53%state a model other than negotiated
1%median take rate, from 7 providers
How they charge
212 of 366 providers state a pricing model. Shares are of those that do.
Per call 37% · 79 Tiered subscription 35% · 74 Negotiated 9% · 19 Free 7% · 15 Other usage-based 6% · 13 Share of transaction 4% · 9 Flat platform fee 1% · 2 Per seat 0% · 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 | 29 | $0.00932 |
| credit | 21 | — |
| message | 5 | $0.00138 |
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 |
|---|---|---|---|
| Seekr | AI agents Hosting | Per call | $1 |
| Agent Health Monitor | GET /alerts/subscribe/{address} | Per call | $2 |
| Numbers Online | Business · Verified | Tiered subscription | $2.42 |
| Gravitee | Kong Plus - paid plugins | Tiered subscription | $5 |
| LVL LTD CO | Starter (x402 subscription) | Per call | $9.99 |
| Hive Civilization | Tier 5 · AmpliHive ET | Per call | $10 |
| Pictomancer.ai | Dev | Per call | $16.2 |
| Abstract API | Starter | Per call | $17 |
| MolTrust | Base | Tiered subscription | $19 |
| Agent Ready | Pro | Tiered subscription | $19 |
| Xquik | Starter | Per call | $20 |
| Context.dev | Developer | Per call | $20 |
| Pinecone | Builder | Per call | $20 |
| PyannoteAI | Developer | Tiered subscription | $20.5 |
| Nefesh AI | Solo | Tiered subscription | $25 |