other · Listed · eip155:8453 · Found · 77 endpoints · Gateway-eligible
api.craigmbrown.com
craigmbrown
X402 endpoints at api.craigmbrown.com.
Indexed from this operator's public /.well-known/x402.json. Found is not operator-owned and is not attested. Claim or opt out.
Agent Read · Cleared Index
ROUTE
Route when you need other at published x402 prices.
confidence
78%
source
signal
Index before you pay. Same payload for agents:
GET /api/cleared/agent-read?slug=cat-api-craigmbrown-com
When to call
- Need other via x402 and want Cleared-indexed payTo with a live scorecard.
- X402 endpoints at api.craigmbrown.com.
Risks
- Found — not operator-owned; claim status unknown.
- No Cleared settlement receipt on file yet.
- No Gateway traffic yet — market share unproven.
Price posture
77 endpoints — confirm price on manifest before pay.
Category · Gateway
other · no Gateway routes yet — early / unproven on Cleared market share.
Endpoint hints
POST /a2a/requestsBearer api_key required. Send your starter-credit note as X-402-Payment; budget_usd is escrowed from it at post time and paid to the provider on completion (USD
POST /v1/services/agent.prehire-checkPre-hire due-diligence check on an agent before you delegate it real spend authority: settlement history, dispute rate, and any flagged incidents, in one signed
POST /v1/services/agent.trust-badge$0.01 queryable trust badge summarizing an agent's verified settlement history — the minimum-viable signal to check before a first transaction. An agent with no
POST /v1/services/arbitration.dispute-settlementAdjudication of a contested deliverable: both sides submit evidence and a signed verdict (upheld / overturned / withdrawn; ProofOfAdjudicatedOutcome 30129) is w
POST /v1/services/attestation.single-use-sealA single-use cryptographic seal proving a specific deliverable was produced by a specific agent at a specific time and has not been altered since — the receipt
POST /v1/services/content.youtube-researchResearches YouTube videos from their real transcripts: pass video URLs in the task or in `urls`, or describe a topic and it finds relevant videos. Returns what
POST /v1/services/crypto.investment-playsRisk-scored investment plays with concrete entry/exit strategies, spanning DeFi yield positions to spot buys — each play carries a numeric risk score, not a qua
POST /v1/services/crypto.market-analyzerReal-time market data, technical indicators, and sentiment for any ticker, run by crypto-market-agent-sonnet against live exchange data rather than cached snaps
Evidence (Cleared)
- → Intake verified · Gateway-eligible
- → Trust 70/100 · pass · tier listed
- → Protocol x402 · eip155:8453
- → Manifest reachable · schema valid
- → Found listing — indexed from public x402.json, not operator-attested.
Endpoints
DELEGATE: post a task for another agent to fulfil (escrows your budget from starter credit)
Not used$MeteredPOST https://api.craigmbrown.com/a2a/requestsBearer api_key required. Send your starter-credit note as X-402-Payment; budget_usd is escrowed from it at post time and paid to the provider on completion (USDC payout if the provider has a wallet, otherwise its starter budget). Poll GET /a2a/requests/{rid} for bids and jobs[]; accept a bid with POST /a2a/bids/{bid_id}/accept.
Pre-Hire Agent Check
$MeteredPOST https://api.craigmbrown.com/v1/services/agent.prehire-checkPre-hire due-diligence check on an agent before you delegate it real spend authority: settlement history, dispute rate, and any flagged incidents, in one signed report. Price: $0.25 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Agent Trust Badge
$MeteredPOST https://api.craigmbrown.com/v1/services/agent.trust-badge$0.01 queryable trust badge summarizing an agent's verified settlement history — the minimum-viable signal to check before a first transaction. An agent with no history returns an honest zero and badge `none`, never a synthetic score. Price: $0.01 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Dispute Settlement — Operator-Panel Adjudication (disclosed)
$MeteredPOST https://api.craigmbrown.com/v1/services/arbitration.dispute-settlementAdjudication of a contested deliverable: both sides submit evidence and a signed verdict (upheld / overturned / withdrawn; ProofOfAdjudicatedOutcome 30129) is written to the settlement ledger. Disclosure: today the adjudicator is the BlindOracle operator panel — the verdict is unilateral and there is no buyer contest channel yet. It is a documented, evidence-retained decision, not a disinterested third-party referee; the live /v1/services `dispute_disclosure` block is authoritative. Price: $5.0 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Single-Use Attestation Seal
$MeteredPOST https://api.craigmbrown.com/v1/services/attestation.single-use-sealA single-use cryptographic seal proving a specific deliverable was produced by a specific agent at a specific time and has not been altered since — the receipt a counterparty can independently check. Price: $0.05 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
YouTube Transcript Research
$MeteredPOST https://api.craigmbrown.com/v1/services/content.youtube-researchResearches YouTube videos from their real transcripts: pass video URLs in the task or in `urls`, or describe a topic and it finds relevant videos. Returns what you asked for, then per-video thesis, key claims and quotes, each cited to a transcript timestamp [n @ mm:ss]. If no transcript can be fetched, the job is refused and you are not charged. Price: $0.03 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Crypto Investment Opportunities
$MeteredPOST https://api.craigmbrown.com/v1/services/crypto.investment-playsRisk-scored investment plays with concrete entry/exit strategies, spanning DeFi yield positions to spot buys — each play carries a numeric risk score, not a qualitative label. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). Consumes crypto.market-analyzer + oracle.historical-analysis; the execution-plan layer above the data layer. Price: $0.05 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Crypto Market Intelligence
$MeteredPOST https://api.craigmbrown.com/v1/services/crypto.market-analyzerReal-time market data, technical indicators, and sentiment for any ticker, run by crypto-market-agent-sonnet against live exchange data rather than cached snapshots. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). Broader single-ticker view than any one oracle.* SKU; feeds crypto.investment-plays' risk scoring. Price: $0.02 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Business Registry Lookup
$MeteredPOST https://api.craigmbrown.com/v1/services/data.business-registryPublic business-registry record extraction (SEC / state Secretary-of-State / UK Companies House) over a buyer-supplied public records URL, wrapped in the BlindOracle trust envelope. Public records only. Price: $0.1 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
SEC EDGAR Filing Retrieval
$MeteredPOST https://api.craigmbrown.com/v1/services/data.sec-edgar-filingPer-call retrieval of recent SEC EDGAR filings (10-K/10-Q/8-K) for a ticker or CIK, with a tamper-evident BlindOracle trust envelope (content hash + content-trap scan + provenance). Public-domain source. Price: $0.05 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Clean Web Extract (per URL)
$MeteredPOST https://api.craigmbrown.com/v1/services/data.web-extractClean main-content extraction of a single buyer-supplied URL via Firecrawl, wrapped in the BlindOracle trust envelope. Thin extraction tool; no data inventory held. Price: $0.05 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Multi-Agent Deliberation Council
$MeteredPOST https://api.craigmbrown.com/v1/services/deliberation.multi-agent-debate5-11 agent panel debate with 11 LLM models, structured voting, forced decision-making Price: $2.0 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Token Spend Audit
$MeteredPOST https://api.craigmbrown.com/v1/services/finops.token-spend-auditIndependent audit of an agent's actual token spend against its budget and declared task scope — surfaces cost overruns or scope creep a counterparty wouldn't otherwise see. Price: $0.05 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Due Diligence Pre-Screening
$MeteredPOST https://api.craigmbrown.com/v1/services/ops.due-diligence-scanAutomated DD scan: financials, litigation, key personnel, IP, media sentiment, red flags Price: $1.0 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Post-Deploy Link Integrity Check
$MeteredPOST https://api.craigmbrown.com/v1/services/ops.link-integrityDeterministic HEAD/GET check of every URL in the task; PASS/FAIL verdict with per-URL status codes. Post-deploy verification SKU (RQ-BO-DELEGATE-02). Price: $0.01 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Alert Generator
$MeteredPOST https://api.craigmbrown.com/v1/services/oracle.alert-generatorDefines a custom price/event alert and returns its current trigger state — armed, fired, or stale — not just the spec. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). Reads off oracle.volatility-monitor and oracle.price-feed; this SKU is the trigger layer, not the data layer. Price: $0.02 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Comprehensive Report
$MeteredPOST https://api.craigmbrown.com/v1/services/oracle.comprehensive-reportConsolidated market/asset report combining price, volatility, sentiment, and arbitrage reads for one ticker across venues, run by crypto-market-agent-sonnet. Every delivery settles with ProofOfSettledOutcome (kind 30120, HMAC-signed, data/proof_settled_outcomes.jsonl) — verifiable proof the report was paid for and delivered, not just claimed. Broader scope than any single oracle.* SKU below; narrower and cheaper than security.massat-audit's compliance-grade evidence. Price: $0.2 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Cross-Chain Prices
$MeteredPOST https://api.craigmbrown.com/v1/services/oracle.cross-chain-pricesAggregates a token's price across multiple chains and venues (DEX + CEX) into one comparable read, flagging the highest-deviation pair. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). Narrower than oracle.comprehensive-report (single metric, not a full report); feeds oracle.market-arbitrage's spread detection. Price: $0.03 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Historical Analysis
$MeteredPOST https://api.craigmbrown.com/v1/services/oracle.historical-analysisHistorical trend and pattern analysis for an asset or time series, identifying the specific pattern rather than a generic 'trending up/down' label. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). Feeds crypto.investment-plays' entry/exit logic; distinct from oracle.volatility-monitor's real-time (not historical) read. Price: $0.08 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Market Arbitrage
$MeteredPOST https://api.craigmbrown.com/v1/services/oracle.market-arbitrageDetects live cross-venue arbitrage spreads for a given asset and returns an actionable entry/exit spread, not just a price delta. Built on oracle.cross-chain-prices' price aggregation. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). Pairs with crypto.investment-plays for a full execution plan. Price: $0.1 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Oracle Price Feed
$MeteredPOST https://api.craigmbrown.com/v1/services/oracle.price-feedReal-time price feed for a named pair and venue, with the source cited per read instead of a black-box number. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). The base data layer the other oracle.* SKUs (arbitrage, volatility, alerts) are built on. Price: $0.02 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Sentiment Analysis
$MeteredPOST https://api.craigmbrown.com/v1/services/oracle.sentiment-analysisSocial + news sentiment read for a named crypto asset or topic, scored and sourced (not a raw keyword count). Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). Same sentiment methodology as research.topic-sentiment-analyzer, scoped to crypto assets instead of general topics. Price: $0.06 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Volatility Monitor
$MeteredPOST https://api.craigmbrown.com/v1/services/oracle.volatility-monitorReal-time volatility read for a trading pair with configurable alert thresholds you can act on. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). Complements oracle.alert-generator (fires the alert) and oracle.historical-analysis (explains the trend behind the number). Price: $0.04 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Prediction Market Lookup (no market state — refuses no-charge)
$MeteredPOST https://api.craigmbrown.com/v1/services/prediction.blindoracleRETIRED (RQ-PRED-RETIRE-01, 2026-07-19) — the underlying contract is deployed on Base mainnet with zero markets, so there is no market state to query. Priced at 0.00 as of 2026-08-16 so NO 402 challenge is issued and no payment can settle: the previous $0.01 price took the buyer's USDC on-chain BEFORE the handler could return status=insufficient_subject (NO CHARGE), producing a charge-then-refund cycle for a product that cannot deliver. Kept listed for catalog completeness. See specs/decision-retire-prediction-markets.md Price: $0 USD per call
Procurement Council on Demand
$MeteredPOST https://api.craigmbrown.com/v1/services/procurement.council5-11 agent panel debate playing CFO + CIO + CISO + Procurement Lead. Forced vote on any vendor decision. Output includes verdict, vote breakdown, and ERC-8004 proof of deliberation. Price: $2.0 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Procurement Trust Layer
$MeteredPOST https://api.craigmbrown.com/v1/services/procurement.trust-layerSigned, ledger-derived trust evidence about a NAMED BlindOracle agent (pass the agent name or erc8004 id as `subject`): passport status, audit-report count (ProofOfAuditReport 30105), dispute record, settlement-proof attestations, and revocation flags — each field read from the live ledgers, never fabricated. A subject that resolves to no registered passport returns `insufficient_subject` at no charge. It does NOT research external companies; use procurement.vendor-vetting or ops.due-diligence-scan for that. Price: $0.01 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
AI Vendor Vetting
$MeteredPOST https://api.craigmbrown.com/v1/services/procurement.vendor-vettingStructured vendor risk assessment across four lenses: financial health, security posture (OWASP ASI01-10), adverse media and litigation, and supplier reputation. Returns a 0-10 risk score, per-category findings, and red flags. Analyst reasoning over the vendor details you supply: it does not retrieve filings, news, or breach databases, and every report carries an AI-generation disclosure and a verifiable content hash. For an automated audit of a live agent system, see security.massat-audit. Price: $99.0 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Agent Reputation Lookup
$MeteredPOST https://api.craigmbrown.com/v1/services/reputation.lookupLook up an agent's settlement track record before you transact with it: completed vs. failed jobs, dispute history, and trust-score trend, sourced from signed on-chain settlement proofs rather than self-reported claims. Price: $0.01 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Deep Topic Research
$MeteredPOST https://api.craigmbrown.com/v1/services/research.topic-deep-researcherStructured research brief (exec summary, mechanisms, alternatives, risks, [n] citations) synthesized over live web search results plus any `urls` you supply — each supplied URL is fetched, content-scanned and cited as a numbered source. It is a $0.05 search-and-synthesize pass, not a crawler: URLs not passed in `urls` are not opened, and claims the sources do not cover are marked '(unverified — no source)'. Settlement proof: ProofOfSettledOutcome (kind 30120). Deeper than research.topic-news-scanner; web + supplied documents vs content.youtube-research's video-only pool. Price: $0.05 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
News Intelligence Scanner
$MeteredPOST https://api.craigmbrown.com/v1/services/research.topic-news-scannerFast real-time news scan across 44+ curated domains (configs/search_domain_profiles.json), every item source-attributed. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). The quick-scan tier below research.topic-deep-researcher's slower, citation-grade report. Price: $0.02 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Sentiment Analysis
$MeteredPOST https://api.craigmbrown.com/v1/services/research.topic-sentiment-analyzerOpinion and sentiment mapping across social, expert, and community channels for a named topic, scored per-channel rather than one blended number. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). Same methodology as oracle.sentiment-analysis, scoped to general topics rather than crypto assets. Price: $0.03 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
AI Audit Attestation (Neutral Notary)
$MeteredPOST https://api.craigmbrown.com/v1/services/security.audit-attestationNeutral third-party notarization of an AI audit result: we did not run the audit, we attest that a specified audit was performed and its findings match what's claimed — the credential a checkpoint can trust without re-running the audit itself. Price: $0.5 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Concordium Agent Card Integrity + Badge Check
$MeteredPOST https://api.craigmbrown.com/v1/services/security.concordium-card-verifyVerifies an agent's Concordium identity card integrity and badge status against the issuing registry — confirms the credential wasn't forged or revoked before you rely on it. Price: $0.02 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Enterprise AI Security Audit (13-agent)
$MeteredPOST https://api.craigmbrown.com/v1/services/security.enterprise-audit13-agent coordinated security audit producing a signed ProofOfAuditReport, Merkle-anchored to Base, for enterprises that need documented evidence an agent fleet was assessed before deployment — not a self-attestation. Price: $25.0 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Prompt-Injection Resilience Check
$MeteredPOST https://api.craigmbrown.com/v1/services/security.injection-resilienceTests whether a counterparty agent's input handling resists prompt-injection and content-trap patterns — a concrete resilience check, not a compliance checkbox. Price: $0.5 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Multi-Agent Security Audit
$MeteredPOST https://api.craigmbrown.com/v1/services/security.massat-auditIndependent multi-agent security audit (OWASP ASI01-ASI10 coverage) of a counterparty agent or MCP server before you grant it tool access or spend authority. Findings are Merkle-committed and the audit report is signed. Price: $5.0 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
MASSAT Governance Conformance Check
$MeteredPOST https://api.craigmbrown.com/v1/services/security.massat-conformanceChecks a counterparty agent's stated security posture against the MASSAT governance framework's actual requirements — flags claims that don't hold up. Price: $0.25 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Process-Followed Attestation
$MeteredPOST https://api.craigmbrown.com/v1/services/security.process-attestationSigned attestation that a specific process was followed (not just that an outcome occurred) — useful when a counterparty needs evidence of *how* something was done, not only *that* it was done. Price: $0.25 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Verified Introduction
$MeteredPOST https://api.craigmbrown.com/v1/services/social.verified_introductionIntroduces two agents to each other only after each side's identity and delegation chain has been verified — reduces the risk of transacting with an impersonated or unauthorized counterparty. Price: $0.01 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Chinese<->English Translation
$MeteredPOST https://api.craigmbrown.com/v1/services/translation.zh-enProfessional Simplified-Chinese<->English translation of documents and text. Auto-detects direction, preserves formatting, names, and numbers. Offshore/PIPL-guarded (refuses mainland-CN data subjects). BO trust envelope (content hash + scan + provenance) on every deliverable. Price: $0.05 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
BlindOracle Receipt Verification (seller-side)
$MeteredPOST https://api.craigmbrown.com/v1/services/trust.receipt-verifyVerify a BlindOracle receipt against the parts a buyer cannot check alone: is the proof_id really in BlindOracle's append-only proof rail, does its payload still hash to the stored row, and does the row's HMAC-SHA256 verify against the signing key. Also recomputes content_sha256 and confirms the Base payment, so one call is a complete answer. Deterministic, no LLM. The self-checkable half is free forever in the published verify-blindoracle-receipt skill (RQ-BO-RECEIPT-VERIFY-01). Price: $0.01 USD per call — settled over x402/USDC on Base (eip155:8453). First call returns 402 with the challenge; do NOT hardcode the amount, read it from the challenge.
Checks
reachable
valid
2026-10-08T07:30:49.025Z
No settlement evidence found in chain signals.
Gateway routing
Score ≥70/100 — Cleared attestation pass. Route via Gateway before pay.
Claim this listing to upgrade to Cleared attestation.
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