attester.dev
2 listed endpoints (+9 delisted) · free reliability snapshot (may be up to 24h old)
Base
B 2
endpoints
2
+9 delisted
avg trust score
76.4
ecosystem avg 52.0
avg 30-day uptime
92.8%
ecosystem avg 53.6%
avg latency (EU)
2978 ms
measured from a single EU vantage point; includes network round-trip distance to the endpoint
price band
$0.002–$0.1
USDC per call
networks
1
At a glance
attester.dev operates 2 listed x402 endpoints (plus 9 delisted, kept for history) across 1 network. 2 of them carry a computed trust score, averaging 76.4 of 100 (above the ecosystem average of 52.0). Average 30-day uptime across the measured endpoints is 92.8% (above the ecosystem average of 53.6%). Advertised prices range from $0.002 to $0.1 USDC per call. Best-scored endpoint: QA Judge (grade B, 77.1).
Top endpoints by trust score
- QA Judge/judgeQA Judge: grade an agent output against your rubric (structure, citations, claim support, length constraints) and receive a 0-100 score with a signed attesta…→
- API-existence Oracle: package/v1/package/existsDeterministic package existence for PyPI and npm, built from real published artifacts (never LLM guesses). Negative answers and typosquat-adjacency flags car…→
All endpoints
| endpoint▼ | grade▼ | uptime 30d▼ | conf.▼ | price▼ |
|---|---|---|---|---|
| /judge QA Judge | B 77.1 | 94.5% | 1.00 | $0.1 |
| /v1/package/exists API-existence Oracle: package | B 75.8 | 91.2% | 1.00 | $0.002 |
| /code-research Cited Coding Research (delisted) | B 77.4 | 94.5% | 1.00 | $0.1 |
| /verify Verification Oracle (delisted) | B 77.0 | 93.8% | 1.00 | $0.15 |
| /spend-check Spend Check (delisted) | B 77.4 | 95.2% | 1.00 | $0.005 |
| /v1/symbol/exists API-existence Oracle: symbol (delisted) | B 76.9 | 93.6% | 1.00 | $0.005 |
| /v1/diff (delisted) | B 78.1 | 96.1% | 1.00 | $0.02 |
| /v1/symbol/signature API-existence Oracle: signature (delisted) | B 77.3 | 94.6% | 1.00 | $0.01 |
| /watchtower/report SLA Watchtower (delisted) | B 77.0 | 93.8% | 1.00 | $0.05 |
| /v2/mcp/report MCP Manifest Drift Report (delisted) | B 77.0 | 95.5% | 1.00 | $0.05 |
| /v2/mcp/check MCP Manifest Drift Check (delisted) | B 77.7 | 96.8% | 1.00 | $0.01 |
Scores use reduced-density sampling; live probe, full 30-min density and 90-day history via the paid API. Provider-supplied names and descriptions are unverified claims; the grades are our independent measurement.