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AI chat completions API - pay per request with USDC on Base

The daily history of one agent record: dealings, independent payers, concentration and delivery over time.

Stored odds-comparison snapshots from the arbitrage worker for trend analysis. $0.01 USDC per call on Base.

ApexScout one-cent x402 proof. Buyer-controlled GET retry only; unpaid 402 is not revenue. Successful paid proof includes one free receipt-bound compatibility diagnosis. It requires explicit action, never navigates or pays automatically, may return no paid recommendation, and requires separate buyer approval for any later paid recommendation.

AIﾉアカリ☆ Akari OS agent integration kit. The public philosophy corpus remains free; this paid machine-ready bundle adds a decision policy, safety boundary, integration recipes, validation checklist, content hash, and settlement receipt for agent workflows. Structured JSON, Base USDC, pay-per-request, no account.

Trust score for one agent. Pass agent_id as a query parameter so every check is the same resource.

Screen a regulated facility by name (and optional state) against EPA enforcement and compliance history. Returns inspections, violations, formal enforcement actions, penalties, significant-noncompliance flags, and a compliance score. Public-domain EPA ECHO Exporter data.

Deterministic JSON evidence checks with signed verification evidence

List governance proposals

Use ping when you need a pass/fail verdict that a URL serves expected content: expected HTTP status (default 200), a required body substring, and/or an exact match on one JSON field. One automated fetch at request time, signed receipt with per-condition results. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402

YRUZ Site Audit: Website audit in one call: TLS certificate, security headers, HTTPS redirect, HTTP/2 and HTTP/3, compression, response time, redirects, SEO tags and AI-agent readiness (llms.txt, robots rules for AI bots, sitemap, structured data). Scores 0-100 per area with concrete fixes.

test-1 agent service: $0.01 per request

Submit async scene generation job

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0xBs public x402 demo — USDC on Base for agent-payable ESP32 hardware.

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Which x402 API should my agent call? Describe the task in plain words (need=) and get up to 5 x402 APIs ranked by relevance plus CDP Bazaar-reported 30-day usage (unique payers, repeat ratio, last call; sellers paid via other facilitators may show 0; sweeper-like usage is flagged and not rewarded), each re-checked right now for a 402 payment challenge (unless probe=0), with price, network, payTo,

x402 preflight: before your agent signs a payment, fetch a paywalled URL's 402 and lint it. Parses v1 bodies and v2 PAYMENT-REQUIRED headers, then checks each accepts[] option: known network, canonical USDC, EIP-712 domain (extra.name/version) that a signature will verify against, EIP-55 payTo, zero/contract payTo, amount sanity, timeout, testnet, resource-host mismatch. Returns ok/warn/block per

x402 preflight: check any x402 endpoint BEFORE you pay it. Probes the target unpaid and returns its live price in USD, network, whether the asset is canonical USDC, payTo, timeout, mismatches vs the CDP Bazaar listing, and a pay / caution / do_not_pay verdict. Never signs or pays anything.

B2A Email Deliverability, MX, SPF & DMARC Verifier (/v1/email-verify) — Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMARC records.

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Web Answer with Sources

Automated Smart Contract Bytecode & Exploit Auditor.

MCP tools/call gas_base: Current gas price on Base from public RPC (wei + gwei). Optional query network=base for schema probes. e.g. GET /v1/gas/base

England carrier/broker/dealer registration lifecycle preflight using the same deterministic engine as the MCP tool. Payment verification precedes deterministic execution. Not Environment Agency approval or legal advice.

x402 MCP Tools: Generate a QR code (URL, text, vCard or WiFi) as a base64 PNG.

Service: Verifik AI (https://verifik.x402.paysponge.com/v2/communication/sms)

Live + curated status of venues that pay AI agents (rail, KYC, agent policy, open tasks, sources)

AI-generated market insight for a given topic

AI-generated market insight (one-shot).