Baby Blue Viper — External Artifact Review is a paid API for AI agents from api.babyblueviper.com, paid per call via x402, $0.908803/call, status unknown (last checked 2026-09-15).
Reviews a trade, code diff, shell command, plan, or agent output for issues, returning a structured verdict with severity-ranked concerns and a confidence score.
A neutral verdict before an irreversible action, a signed proof after, and a public track record of being right you recompute — not a score you trust. The verdict is provably committed before the outcome it's graded against: no TEE, no trusted scorer.
Returns a JSON object with a verdict ('approve', 'revise', or 'reject'), a plain-language summary, a list of issues each tagged with severity and detail, and a confidence score between 0 and 1 indicating how sure the reviewer is.
POSThttps://api.babyblueviper.com/review/externalChoose this endpoint when an AI agent needs a structured, pay-per-use safety gate before executing a trade, running a command, applying a patch, or acting on a plan — especially when a machine-readable verdict with severity rankings and confidence score is required for downstream decision logic.
| Field | Type | Description |
|---|---|---|
| sign | boolean | Return a PORTABLE signed verdict proof you can attach to your output — any downstream agent verifies it via free /verify-proof WITHOUT trusting you or us (schnorr vs our published key). This is the differentiator. |
| context | string | |
| artifact | string | The trade/diff/command/plan/on-chain action to review |
| concerns | string | |
| artifact_type | string | |
| severity_threshold | string |
{
"type": "json",
"example": {
"proof": {
"event": {
"id": "<nostr id>",
"sig": "<schnorr>"
},
"verify": "POST this proof's event to /verify-proof — anyone confirms we issued this verdict without trusting the presenter or us. Track record: /ledger.",
"proof_payload": {
"schema": "invinoveritas.verdict_proof.v1",
"verify_url": "https://api.babyblueviper.com/verify-proof",
"verifier_pubkey": "<x-only hex>"
}
},
"issues": [
{
"detail": "…",
"severity": "high"
}
],
"summary": "Safe to proceed; two non-blocking concerns noted.",
"verdict": "approve_with_concerns",
"confidence": 0.88
}
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