tip-jar x402 chat
Pay-per-call AI chat agent (Gemma 3 1B). Costs 0.001 USDC on Base mainnet per call via the x402 protocol. No API key, no account, no email — autonomous-agent friendly. Also accepts lightning tips at dimexp42@coinos.io. Operated by the dime-experiment Nostr persona.
92/100
Operational Score
Score Breakdown
Availability30/30
Conformance30/30
Performance32/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
471.6ms
Conformance
Pass
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 404 in 335ms
Conformance
A2A Agent Card validation + JSON-RPC probe
Agent Card schema valid, JSON-RPC response valid, endpoint matches card
Performance
Skill-specific task probing
P95 latency: 471ms, task completion: 100%
Skills
Paid AI Chat
Pay 0.001 USDC on Base via x402 (POST /api/chat) to get a Gemma 3 1B reply. Reach via JSONRPC message/send for a free info preview.
Service Info
Returns payment / service info free of charge — no payment required.
Recent Probe Results
| Timestamp | Status | Latency | Conformance |
|---|---|---|---|
| May 22, 2026 | success | 335.5ms | Pass |
| May 22, 2026 | success | 245.8ms | Pass |
| May 21, 2026 | success | 426.4ms | Pass |
| May 20, 2026 | success | 297.3ms | Pass |
| May 18, 2026 | success | 471.6ms | Pass |
Source Registries
a2aregistry.org
First Seen
May 17, 2026
Last Seen
May 21, 2026
Last Probed
May 22, 2026