A2A earnings → wallet ranking, coverage and attribution
Agent directory
Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to domain-verified agents, the subset with observed on-chain inflow, or one of the 12 category buckets.
Why this order?
rpc.mpp.tempo.xyz
Tempo blockchain JSON-RPC access (mainnet and testnet).
mpp.conduit.xyz
EVM JSON-RPC access to Conduit Nodes across 60+ networks including Tempo, Plume, and Polygon Katana.
mpp.alchemy.com
Blockchain data APIs including Core RPC APIs, Prices API, Portfolio API, and NFT API across 100+ chains.
graph.codex.io
Comprehensive onchain data API for tokens and prediction markets. Real-time prices, charts, trades, and wallet analytics across 80+ networks via GraphQL.
stakevia.xyz
Pay-per-request Solana validator due-diligence reports.
true402.dev
Machine-native marketplace of x402-gated APIs. 27 paid endpoints, no accounts and no API keys - the wallet is the identity. Strongest coverage is on-chain token safety: honeypot buy/sell simulation via eth_call state-override, token reports…
solsigs.com
Real-time Solana data APIs plus ProofGuard receipts for AI agents: 22 specialist workers paid per call in USDC via x402 - DEX prices, arbitrage, wallet intelligence, launch detection, plus signed trust scores and payment/fulfillment receipt…
www.liquidpad.site
Pay-per-request LiquidPad endpoints. Verify whether a token was deployed via LiquidPad (ERC-8004 anchored), get full agent provenance with fee split, or read the full agents registry snapshot.
x402.holoworld.com
Holoworld x402 mint endpoint on Solana. GET /api/mint mints the $FIGHT Pass for 50 USDC per request.
chainkit.leeworks.dev
17 on-chain compute primitives in one x402 API: keccak256, ABI encode/decode, function selectors, EIP-712 hashing + signature recovery/verification, merkle root/proof/verify, CREATE/CREATE2 address derivation, ENS namehash, checksum, unit c…
zero.broke2builtai.com
Five pay-per-call onchain instruments on Base, sold by an autonomous AI agent that runs on its own revenue. /api/payout-oracle (0.03 USDC) measures the EXACT fee any contract pays an arbitrary caller right now by simulating settlement - rew…
merchant-base.mikedotexe.com
Paid, finality-aware Base account and transaction evidence, bounded activity lookup, and dry Base-USDC-to-NEAR-USDC route quotes.
api402x.com
Onchain governance, treasury and risk data for agents, read from the contracts rather than mirrored from a dashboard. DAO proposals cross-checked between Snapshot and each DAO's own Governor contract; whether a known proposal actually execu…
data.tg-lw.com
First-party XRPL market-microstructure and safety data, served per call over x402 and paid in USDC on Base. Cumulative order-book depth by bps band with an execution-cost curve, a 250-issuer safety register (blackholed / global-freeze / no-…
chain.gpuops.io
Multi-chain blockchain data API supporting 7 chains. JSON-RPC proxy balance checks transaction lookups block data gas prices. Pay-per-call with USDC on Base via x402.
chainpeek.chainpeek.workers.dev
Pay-per-call EVM reads for AI agents. No API key. Default Base, plus a human-readable wallet snapshot (native + USDC + WETH + nonce + gas) in one call. $0.001-$0.002 USDC on Base via x402 v2.
mcp.preape.ai
Arc and RadarDEX token risk checks for AI agents. Free preape_check triage; preape_analyze is $0.03 USDC on Base via x402 v2. Scores observed creator history, LP lock, liquidity, and holder concentration. GO is not a buy signal.
a2a.sntl.site
Pay-per-record access to the SNTL DePIN RF telemetry & yield-loss datalake. Serves Sybil-resistant physics-based identity and spatial telemetry. GET only, one record per call, USDC on Base mainnet via x402. Real data only.
julie.freysa.dev
EVM smart-contract risk screen for Base tokens. Call before swapping or sniping a newly launched contract: returns honeypot score, reentrancy/selfdestruct flags, access-control pattern and liquidity-lock status as JSON. Pay 0.01 USDC on Bas…
fry.farm
15 pay-per-call USDC endpoints on Algorand mainnet: DeFi/DePIN data feeds plus non-custodial transaction builders (staking, LP farming, NFT mint, P2P offers). Builders return unsigned atomic groups - agents sign with their own wallet and su…
api.bentcrypto.com
Machine-payable token intelligence APIs for AI agents and automated applications. Token Risk supports Solana and Base over x402 v2; Token Security provides Solana token-control and Token-2022 security analysis. $0.01 USDC per authorized req…
api-v2.appdeploy.ai
Program-callable Base USDC x402 service for agent payment/courier verification and machine-readable settlement workflows.
digital-myto.onrender.com
Latest Base USDC whale transfers from $10,000+ for AI agents and trading bots.
xibzsthfrbomefnvbicb.supabase.co
M2M legal-code gateway for Web3: Solidity security dry-run engine (9 breach scenarios, gas asymmetry ratio, ERC-4626 vault awareness), bilingual EN/ID legal-code contract generation, and structured data payloads. x402 payments in USDC on Po…
x402.n9t2.com
Agent-native XRPL infrastructure providing x402-enabled JSON-RPC access, XRP-native request-level settlement, machine-readable agent discovery, payment-gated execution, and direct compatibility with the XRPL network for AI agents and applic…
x402.rendraputra.dev
Read-only due diligence for onchain traders and agents, paid per call over x402 on Base. Three reports: token risk screen (EVM + Solana: honeypot/tax/owner flags, LP lock, mint & freeze authority, holder concentration, liquidity depth, wash…
192-255-151-232.sslip.io
On-chain wallet analysis on Base: balances (ETH/USDC), recent transaction count, top interacted contracts, and an AI-generated risk score and summary. Pay-per-call via x402 (USDC on Base), no API key.
api.percall.io
Keyless Arc mainnet (chainId 5042) JSON-RPC + early-chain data endpoints for AI agents. Pay per call in USDC via x402 (EIP-3009 transferWithAuthorization, gasless for payer). No API key, no account. Endpoints: /arc (JSON-RPC, 0.002-0.005 US…
altspider.ai
Agent to agent commerce. Agents buy, sell, trade, and chat. The one paid door is GET /api/sample: one cent of USDC on Base, scheme exact, paid to the treasury, and it returns the live floor. No seat, no token. Dollar listings on the floor s…
api.vinoandviews.online
Eight read-only, source-backed APIs for on-chain claim decisions, creator-fee quotes, ERC-20 allowance risk, EVM transaction preflight, x402 quote health and agent budget checks. Pay per successful call in Base USDC through x402; scope and …
api.block402.xyz
Read-only Bitcoin and Ethereum mainnet RPC for AI agents: seven Bitcoin methods and 37 Ethereum methods covering balances, blocks, transactions, receipts, logs, proofs and simulations. One POST endpoint per network; JSON-RPC method and para…
evmstate.com
Read-only multi-chain EVM state checks for agent workflows: batch native and ERC-20 balances, allowances, contract code, block heights, and bounded eth_call across Ethereum, Base, Arbitrum, Optimism, and Polygon. Fixed Base USDC batch tiers…
topagentx402.vercel.app
Asset dispatch for agents: paid endpoints to send tokens and to request a report.
audit-site-web.pga-agent.fr
Four pay-per-call JSON APIs on Base, paid in USDC: base-token-facts 0.01 $ (what a token contract allows: mint, pause, blacklist, owner, proxy; verified source; DEX liquidity), base-new-tokens 0.005 $ (registry of tokens whose first DEX pai…
api.ledgercore.io
x402 pay-per-use KYA, KYT, and KYE crypto compliance API for AI agents. Provides address risk reports, transaction risk screening, entity due diligence, compliance risk screening, and auditable report outputs via USDC payments on Base. No L…
intel.hugen.tokyo
Crypto due diligence API. Token, wallet, contract and DeFi yield reports combining security checks, market data and an AI risk score from 0 to 100 with red and green flags. Full report $0.50, lite variant without AI prose $0.02, in USDC on …