📅 Historical page. This content reflects minia2a as of its publication date and is kept for the record. Current model: x402 pay-per-call in USDC on Base only, 5 free trial calls per signed wallet, no credits and no top-up rail. → See current
⚠ Historical snapshot — August 2026. The numbers below no longer reflect minia2a’s current state.
Historical data. Figures in this post (500 free credits, 15 anonymous trials, 752 registered wallets) describe minia2a before the Sep 1, 2026 model change. The current model: 5 free trial calls per registered wallet, no free credits, pay-per-call via x402. Real-time stats at /api/stats.

The Agent Payment Funnel: What 5,860 Trials Teaches Us About M2M Conversion

August 4, 2026 · Data from minia2a /api/stats · 7 min read
⚠️ Correction (August 15, 2026): The payment figures in this article — $12.75 across 14 "paid" transactions — were based on payment records later found to be misclassified entries — every transaction was real. minia2a's early payment records mixed real settlements with credit-consumption entries; a full ledger audit (August 15, 2026) reconstructed the true count. The trial (5,860), registration (316), and wallet (35) figures are accurate. Payment accounting has since been rebuilt (accounting before delivery). Separately, a full ledger audit (August 15, 2026) found 86 real on-chain transactions totaling 3.522 USDC: 54 x402 pay-per-call settlements (0.45 USDC) plus 32 USDC credit top-ups (3.072 USDC), each on-chain verifiable via txHash. The article's core argument — the trial-to-paid conversion gap is the bottleneck — stands, and is in fact starker than these numbers showed.
Key finding: 5,860 agents tried x402 APIs on minia2a. 316 registered. 35 created wallets. Only 54 settled a payment (0.45 USDC). The M2M payment ecosystem has a conversion problem — not an awareness problem. Here's the data.

The Funnel, Visualized

Stage 1: Free Trials
5,860 trials100%
Stage 2: Registered Agents
316 agents5.4%
Stage 3: Wallet Creation
35 wallets0.6%
Stage 4: Paid Transaction
54 settled transactions (0.45 USDC) ($0.45 total)0%

The funnel tells a clear story: agents are curious enough to try, but not committed enough to pay. The steepest drop isn't at the awareness stage — it's between registration and wallet creation.

The Three Conversion Cliffs

Cliff 1: Trial → Registration (94.6% drop)

Only 5.4% of agents who try a free x402 endpoint go on to register. Why? Three hypotheses from the data:

  1. Trial limits are too generous. At 5 free trial calls per IP, agents can complete their immediate task without registering. The trial isn't a "taste" — it's enough to finish the job.
  2. No registration trigger. Agents discover x402 endpoints through search/crawlers, try them, get a result, and move on. There's no workflow that says "you need to register to continue."
  3. The registration ask comes too late. By the time an agent hits the trial limit (15 calls), it may have already moved to a different task or session.

Cliff 2: Registration → Wallet (88.9% drop within registered users)

Of the 316 agents that registered, only 35 (11%) went on to create or connect a wallet. This is the steepest internal cliff in the funnel. Possible explanations:

  1. Registration delivers value with a self-custody wallet. Agents get 5 free trial calls on registration. They may never exhaust these trials, so they never need to fund a wallet.
  2. Wallet creation is friction. Even with auto-wallet generation, agents need to store and manage a private key. Most agent frameworks don't have built-in key management.
  3. No spending use case. If an agent only needs the free tier, there's no reason to add payment. The agent economy hasn't yet produced services compelling enough to pay for beyond the free credits.

Cliff 3: Wallet → Settled (100% drop among wallet holders)

35 agents have wallets, but 54 have completed a settled payment (0.45 USDC) (the 14 "paid" records turned out to be credit-consumption entries — see correction note). This is the steepest part of the funnel — a handful of wallet holders have settled a real payment (54 total, 0.45 USDC). The absolute numbers are still tiny.

What Agents Actually Use (Top 10 by Trial Volume)

EndpointTrialsUsersCalls/UserCategory
captcha-solve6911305.3Infrastructure
gas4481054.3Crypto
find373527.2Discovery
recall3292115.7Memory
web-scrape304605.1Infrastructure
store280309.3Memory
time213307.1Utility
polymarket164285.9Crypto
token-security136373.7Crypto
fear-greed111522.2Crypto

The pattern is clear: agents need infrastructure, not intelligence. Captcha solving, gas estimation, web scraping, and memory (find/recall/store) dominate. The most-used endpoints are plumbing, not LLMs. This aligns with the broader industry trend — Anthropic's Model Context Protocol and OpenAI's function calling both confirm that agents spend more time interacting with tools than thinking.

Interestingly, the highest engagement endpoints (calls per user) aren't the most popular ones. Fear & Greed Index (22.2 calls/user) and Memory Recall (15.7 calls/user) have sticky, repeat-use patterns. These are subscription-ready services — the kind that could justify recurring payment.

What the Ecosystem Needs

This funnel data isn't just minia2a's problem — it's the M2M payment ecosystem's collective challenge. With AIsa reporting 50,000+ agents, Starchild launching x402 payments on August 1, and the x402 Foundation now under the Linux Foundation with 40+ members, the infrastructure is in place. But no one has solved the conversion problem.

What would move the needle:

  1. Tighter trial limits. 5 free trial calls is too many. 3-5 calls would create urgency without being stingy. Agents that can't solve their problem in 3 calls have a genuine need to register.
  2. Framework-native wallet SDKs. AIsa grew 150x through framework partnerships (OpenClaw, Hermes). The ecosystem needs 1-line wallet integration for CrewAI, AutoGPT, LangChain, and other popular frameworks.
  3. Network-effect services. Memory recall has 15.7 calls/user because memory compounds — the more you store, the more value you get from recall. Services with network effects (shared knowledge bases, agent reputation, cross-agent discovery) create natural payment triggers.
  4. Micro-payment psychology. $0.005 per call is negligible for a human, but agents need to reason about whether a call is worth it. Better service descriptions, previews, and quality signals would help agents decide to spend.

Why This Matters Now

August 2026 is an inflection point for agent payments:

The protocol layer is solved. The marketplace layer is forming. The conversion layer — getting agents from "this is interesting" to "I'll pay for this" — is the next frontier.

minia2a's 5,860 trials and 218 services make it the largest x402 directory. But the 0.6% trial-to-wallet conversion rate is a mirror for the entire ecosystem. Until agent frameworks bake in payment as a first-class primitive — alongside tools and memory — M2M payments will remain a demo, not a default.

🔌 List Your API on the Largest x402 Directory

218 services, 5,860+ trials, zero-friction onboarding. Free to list.

# Sign  minia2a publish: <your-wallet>  with EIP-191, then:
curl -X POST https://minia2a.uk/api/v1/publish-service \
  -H "content-type: application/json" \
  -d '{"name":"my-api","endpoint":"https://example.com/api","price_cents":5,"description":"What your API returns, in 20+ characters.","wallet":"0xYOUR_WALLET","signature":"0xYOUR_SIGNATURE"}'

# Third-party listings are reviewed before they go live (reviewStatus: pending).

Full registration guide → · Live stats →

Data sourced from minia2a /api/stats, August 4, 2026 01:10 UTC. 218 services, 335,780 total requests, 3,609 hours uptime.