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Search a daily census of paid APIs and a curated map of the companies building agent commerce.
Discover, compare, and inspect companies, protocols, and paid endpoints where AI agents spend money — indexed daily with transparent price, provenance, and reachability evidence.
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HONEY FLOW — x402-COMPATIBLE EIP-3009 SETTLEMENT ON BASE · MEASURED ON-CHAIN
$0
— EIP-3009 settlements in the last — on Base
every bee is a live settlement
DISCOVER → COMPARE → VERIFY
SwarmBazaar helps humans and software agents find services across x402, MCP, AP2, ACP, A2A, and related protocols. Search the directory, compare advertised prices and settlement networks, inspect point-in-time endpoint canaries, or query the marketplace directly over MCP.
Search a daily census of paid APIs and a curated map of the companies building agent commerce.
Filter by network, price, source, freshness, and transparent discovery-readiness evidence.
Read provenance and non-paying endpoint-canary receipts without confusing reachability with quality.
Where the agentic economy collects. You attract more bees with honey. Yours missing? Listing is free.

Summon a private, OpenAI-compatible model by the minute — quality-gated before you pay, vaporized at expiry.
from $0.009/min · $0.54/hr · 7B-class at 25 tok/s
Should your trading agent trust this market right now? Regime, execution-cost, and data-quality signals on demand.
$0.001/call · USDC on Base
OpenAI-Stripe open standard connecting buyers, agents, and merchants.
Cloud giant embedding x402 micropayments into edge infrastructure.
Card giant backing AP2 and agentic payment mandates.
MCP steward; backs x402 for paid agent tool calls.
Coinbase L2 where most x402 agent payments settle.
Stripe's stablecoin issuance and orchestration platform.
USDC is the default settlement currency of agent payments.
Pay-per-crawl, Monetization Gateway, and x402 at the edge.
Creator of x402 and the dominant facilitator for agent payments.
Onchain identity, reputation, and validation registries for agents.
First marketplace live on ChatGPT Instant Checkout.
uAgents and Agentverse marketplace for autonomous economic agents.
Google's Agent Payments Protocol with 60+ launch partners.
Agent Pay brings tokenized card payments to AI agents.
ERC-8004 co-author bringing agent identity to Web3 wallets.
ChatGPT Instant Checkout turns chat into a commerce surface.
Agent Toolkit and AP2 partnership for agentic checkout.
Coinbase's x402 facilitator settles agent payments on Polygon.
Stripe-owned embedded wallet infrastructure powering agent transactions.
Agentforce commerce with ACP checkout via Stripe.
A million merchants plugging into ChatGPT agentic checkout.
Tens of millions of x402 transactions at sub-cent fees.
Co-created ACP and powers Instant Checkout in ChatGPT.
x402-mcp adds paid tools to AI SDK and MCP servers.
Tokenized AI agents transacting via its Agent Commerce Protocol.
Visa Intelligent Commerce readies card rails for AI agents.
Coinbase's machine-readable index where agents discover paid services.
Coinbase-Cloudflare foundation stewarding the HTTP 402 payment standard.
About 1,100 deterministic web tools payable via x402.
from $0.001/call · median $0.003
Explorer and public directory of live x402 servers.
from $0.01/call · median $0.01
30,000+ scraping actors selling pay-per-event to AI agents.
from $1/call · median $1
Neural web search API built for AI agents.
from $0.001/call · median $0.004
High-volume x402 payment processor for AI services.
Decentralized compute marketplace fueling autonomous agent workloads.
Autonomous Worlds Engine for thousand-agent economies on Base.
AI-native financial institution with ACK agent identity standard.
Agent wallets bridging stablecoin and card rails in one API.
Agent framework and LLM router paid per-call via x402.
Embedded wallet infrastructure extending to AI agent use cases.
L402 and x402 payment tooling built for AI agents.
Web scraping and crawling API agents consume via MCP.
Decentralized AI agent nodes monetized with per-request x402 payments.

Summon a private, OpenAI-compatible model by the minute — quality-gated before you pay, vaporized at expiry.
from $0.009/min · $0.54/hr · 7B-class at 25 tok/s
MCP gateway and registry surfacing x402-paid services.
Programmable payment workflows with conditional triggers for agents.
Pay-per-report AI crypto research sold over x402.
Transaction intelligence and daily census of the x402 economy.
PayPal-backed Layer-1 purpose-built for agent identity and payments.
Cardano-based payments, identity, and registry for AI agents.
Visa- and Amex-backed wallets and mandates for agent checkout.
Metering, pricing, and payments for agent-to-agent commerce.
Farcaster social data APIs monetized through x402.
Co-owned autonomous agent services with Pearl and Mech marketplace.
Robot OS where machines pay each other in USDC.
Billing, pricing, and margin tracking for AI agent businesses.
Largest x402 facilitator after Coinbase, spanning multiple chains.
Intent-driven agentic money movement for banks and fintechs.
Agents pay-to-pin IPFS content with x402 micropayments.
Multi-agent orchestration with 130,000+ autonomous x402 microtransactions.
AI agents search, buy, and manage domains autonomously.
Know-Your-Agent identity plus KYAPay autonomous payment rails.
Registry and hosting hub for MCP servers.
Should your trading agent trust this market right now? Regime, execution-cost, and data-quality signals on demand.
$0.001/call · USDC on Base
Wallets and SDKs with native x402 monetization support.
TEE-backed key management and policy signing for agents.
Production-grade Rust facilitator and tooling for x402.
API gateway with built-in x402 monetization for MCP.
Sellers with endpoints answering 402 Payment Required in today's census — sorted by live inventory.
| Seller | Endpoints | Median price | Networks | What they sell |
|---|---|---|---|---|
| halowerk.com | 1389 | $0.001 | Base | Aktuelle CO2-Intensität des deutschen Strommix. |
| theaslangroupllc.com | 856 | $0.10 | Base | StatEdge rest advantage — quantified rest days analysis with ATS historical context |
| rallylive.ca | 834 | $0.01 | Base | IPv6 prefix 64: pure calculation on the address, no network call. The /64 network. $0.01 per call. |
| edge-agents.ai | 792 | $0.01 | Base | Cross-protocol stablecoin supply-yield ranking across Aave V3, Compound V3, Morpho Blue and Lido, combined with each protocol's live TVL and trend, with borrow-rate and liquidation-risk data explicitl |
| agent402.tools | 599 | $0.003 | Base | Convert JSON to YAML. |
| openverbs.com | 367 | $0.003 | Base | Resolve the timezone for a latitude/longitude. |
| x402node.dev | 355 | $0.005 | Base | Wallet age and activity profile: POST a Base address, returns wallet age (since first inbound), total transaction count, ETH balance, last activity date, days since last tx, and a recent monthly activ |
| delx.ai | 240 | $0.001 | Base | Verify any third-party x402 endpoint is alive and correctly configured before paying it: a bounded GET/402 preflight fetches the payment contract, checks reachability and response latency, validates a |
| x402atlas.com | 202 | $0.005 | Base | Get members of an X community. |
| x402-factory.com | 202 | $0.02 | Base | Advance retail sales (Census, monthly): latest print, revisions, surprise — Latest Advance retail sales print from the Census via FRED/ALFRED: first-release vs latest value with a revised flag (revisi |
| x402stock.xyz | 201 | $0.02 | Base | Settlement fails-to-deliver for a US-listed stock from the SEC's semi-monthly data: the aggregate shares that failed to deliver on each settlement date, with the reference price, most recent first. A |
| com.tr | 161 | $0.02 | Base | EOA vs contract, ETH + USDC balance, transaction count and activity level — straight from Base RPC. Useful for counterparty and wallet checks. |
| strale.io | 145 | $0.05 | Base | Convert a curl command to equivalent code in TypeScript, Python, Go, Rust, Java, or PHP. |
| forgemesh.io | 138 | $0.01 | Base | Correct likely spelling errors in an SEO query |
| netintel.dev | 124 | $0.01 | Base | Determine a domain's age from registration data and archival history — tries RDAP, then port-43 WHOIS, then a Wayback-based estimate (age_source: rdap | whois | wayback_estimate | null), returning cre |
| orthogonal.com | 120 | $0.03 | Base | Get a single product by ID |
| particle.pro | 100 | $0.01 | Base | List topics. Returns the hierarchical topic taxonomy. |
| minia2a.uk | 100 | $0.01 | Base | minia2a service: x402-dns |
| locus.report | 96 | $0.01 | Base | EPA drinking-water violations for a water system / area. Perfect for: 'drinking water violations for an address', 'SDWIS violations near me', 'water quality violations for a county', 'has my water sys |
| globalrules-api.onrender.com | 94 | $0.01 | Base | List all 178 countries covered by the GlobalRules country-facts API, returned as ISO 3166-1 alpha-2 codes with country names. Use this endpoint first to discover which countries you can query for prac |
| agentpaystore.com | 94 | $0.15 | Base | Live NHL analysis: goalie starts, puck lines, power play stats and playoff picture. |
| greeneris.io | 91 | $0.005 | Base | Headline national CPI, year-on-year growth rate (%), monthly, from the official OECD SDMX API (dataset DSD_PRICES@DF_PRICES_ALL). Complements Eurostat HICP with USA, GBR, JPN, CAN and other OECD econo |
| sirenic.eu | 90 | $0.02 | Base | Spanish company acts from the official BORME gazette (Registro Mercantil, section A) by hoja registral — the register key, e.g. VI-23141: incorporations, officer appointments and dismissals (role + na |
| oblique.markets | 88 | $0.01 | Base | Company research brief with cited sources, business profile, competitors, market signals, and risks |
| klymax402.com | 86 | $0.005 | Base | Convert HTML to markdown |
| ottoai.services | 84 | $0.0025 | Base | Token price, market cap, volume, supply, and basic metrics. Works for any listed token. |
| bowling-anthony.workers.dev | 83 | $0.002 | Base | IP geolocation — IP address → location, ASN, ISP. |
| ts.net | 75 | $0.003 | Base, Base Sepolia | Hacker News top stories |
| apiacre.com | 74 | $0.01 | Base | Compare two texts and return structured line additions, removals, and a unified diff. |
| myceliasignal.com | 70 | $0.01 | Base | EUR/CNY forex exchange rate — euro to Chinese yuan — Ed25519 signed attestation |
| lonestaroracle.xyz | 69 | $0.05 | Base | US consumer-demand signal (retail sales) |
| hergertsynthora.com | 69 | $0.03 | Base | Get real-time market sentiment signals via x402 M2M API. Signed x402 call. 0.03 USDC on Base. |
| agentstools.dev | 68 | $0.008 | Base | Compute keccak256/sha256, a 4-byte function selector, an event topic0, or an ENS namehash/labelhash from a string or hex input. |
| agishub.com | 68 | $0.02 | Base | Generate an image from a text prompt (returned base64-encoded PNG). |
| kikoribera03.workers.dev | 66 | $0.005 | Base | Name, symbol, decimals and total supply of any ERC20 contract in one call. Useful to label a token address before showing it to a user. Via eth_call. |
| outpimp.com | 65 | $0.01 | Base | URL decoder API. Decodes percent-encoded URL text back to plain text. |
| eckari.com | 64 | $0.003 | Base, Base Sepolia | The WHOIS lookup for a domain, answered from the registry's own RDAP service - the structured successor to port-43 WHOIS, read live via the IANA bootstrap, never scraped WHOIS text. Registrar and IANA |
| govparse.io | 64 | $1.25 | Base | Which companies just received a federal subaward — and which are getting their FIRST one? Bulk feed over USAspending subawards (the File F prime→sub cascade), newest-first by action date: sub-recipien |
| vaaya.ai | 63 | $0.01 | Base | Apify — TikTok posts for profile usernames. |
| donnyautomation.com | 61 | $0.01 | Base | OFAC screening against the Treasury SDN and Consolidated lists - 19,600+ parties, 40,000+ names including aliases. Returns match, riskLevel, matches[] with score, matchedName, matchedOn and programs, |
The rails everything above runs on.
HTTP-native payments. A request hits a paywall, the agent pays in stablecoins, the response comes back. Revived HTTP 402, led by Coinbase.
Google's Agent Payments Protocol — verifiable mandates so an agent can prove it was authorized to spend. 60+ launch partners.
Agentic Commerce Protocol by OpenAI & Stripe — checkout inside ChatGPT and any agent surface.
Model Context Protocol — how agents discover and call tools. The front door that x402 monetizes.
Free listing. 60 seconds. Logo, tagline, protocols, done.
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