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MARKET MONITOR / CATALOGUE Services 109,457 MCP listed 39,819 x402 69,693 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-26 · 3 sources
Task

Usdc

237 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

ERC20 allowance x402 REST usage

How much of a token a spender is still allowed to move on an owner's behalf, and whether that approval is unlimited. The check to run before an approve, and the one that finds forgotten infinite approvals. Via eth_call (...

flat-rate-llm.kikoribera03.workers.dev Crypto & Payments 1 calls / 30d checked 2026-10-26
0.005 USDC per call per call

YourAITools Credits x402 REST usage

Prepaid API credits (sample pack). Prepaid credits for the YourAITools agent APIs: one x402 payment of $0.005 USDC mints an API key holding $0.005 of credits. Send it as Authorization: Bearer <key> to PayGuard, TokenVerd...

api.youraitools.co Crypto & Payments 1 calls / 30d checked 2026-10-26
0.005 USDC per call per call

basefeed x402 REST usage

x402 settlement test

api.basefeed.io Crypto & Payments 5 calls / 30d checked 2026-10-26
0.001 USDC per call per call

Stablecoin Supply x402 REST usage

Stablecoins ranked by circulating supply (USDT, USDC, USDe, DAI...) with 1-day, 7-day and 30-day supply change, peg price, mechanism and main chains, plus total USD stablecoin supply. Use to track liquidity flowing into...

bess-x402.onrender.com Crypto & Payments 2 calls / 30d checked 2026-10-26
0.002 USDC per call per call

USDC Payment Verifier x402 REST usage

Verify a USDC payment on Base: tx succeeded, USDC sent to the expected recipient (and from the expected sender), at least min_amount, enough confirmations. Returns verdict + decoded transfers. Unknown tx = not charged.

gogeta2-u35175.vm.elestio.app Crypto & Payments 2 calls / 30d checked 2026-10-26
0.002 USDC per call per call

USDC Balance on Base x402 REST usage

Current USDC balance of an address on Base or Base Sepolia (balanceOf on the official Circle contract).

gogeta2-u35175.vm.elestio.app Crypto & Payments 4 calls / 30d checked 2026-10-26
0.001 USDC per call per call

P0 x402 Market Index x402 REST usage

Use when an agent needs x402 market totals. Returns catalogue size and 30-day totals: services, calls, unique paying wallets, with the snapshot hash

x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev Crypto & Payments 4 calls / 30d checked 2026-10-26
0.001 USDC per call per call

x402 Base Tools x402 REST usage

Check whether a Base transaction settled x402 payments (USDC transferWithAuthorization, EIP-3009): for each, the payer, the payTo address, the amount in USDC, the authorization nonce, the facilitator that sent it, and th...

base.kagurazaka.dev Crypto & Payments 3 calls / 30d checked 2026-10-26
0.001 USDC per call per call

MNEMOS by ScriptMasterLabs x402 REST usage

MNEMOS current cached options and anomaly intelligence

mnemos-agent.onrender.com Crypto & Payments 1 calls / 30d checked 2026-10-26
0.003 USDC per call per call

wallet-can-pay x402 REST usage

Check whether a Base wallet holds enough USDC to pay an x402 amount (default $0.001). Returns balance, can_pay, shortfall. The checklist agents run before spending. Try GET /can-pay/sample.

x402.agentindex.world Crypto & Payments 2 calls / 30d checked 2026-10-26
0.001 USDC per call per call

QuickBuild x402 REST usage

Drop-in OpenAI Embeddings endpoint: POST {input: string | string[], model, encoding_format: float|base64, dimensions} and get {object: "list", data: [{embedding, index}], model, usage}. Models (Cloudflare Workers AI): bg...

quickbuild.quynguyenbac.workers.dev Databases & Storage 2 calls / 30d checked 2026-10-26
0.001 USDC per call per call

x402 Spend Cap/Allowance Check x402 REST usage

Check an agent wallet's x402 spend cap before it pays, via Liquid Logic X: send a wallet and optional endpoint URL, get allowed, reason, remainingUsdc, capUsdc, spentUsdc from the published policy. $0.001 USDC on Base.

audit.liquidlogicx.com Crypto & Payments 2 calls / 30d checked 2026-10-26
0.001 USDC per call per call

KushBitx AgentProof x402 REST usage

A deterministic Base chain identity and official USDC contract-presence check. No request body. Not a token-risk report, transaction simulation, or payment proof.

staging.kushbitx.com Crypto & Payments 1 calls / 30d checked 2026-10-26
0.001 USDC per call per call

x402 Base Tools x402 REST usage

Profile of a Base address: wallet (EOA), EIP-7702 delegated wallet or contract; transaction count; ETH and USDC balances; its primary Basename; the token it is, if it is an ERC-20; and the x402 seller it receives payment...

wt7tysfcmjm8fpzl.68r.lambda-web.us-east-1.on.aws Crypto & Payments 1 calls / 30d checked 2026-10-26
0.001 USDC per call per call

basefeed x402 REST usage

x402 settlement test

basefeed-io.fly.dev Crypto & Payments 1 calls / 30d checked 2026-10-26
0.001 USDC per call per call

Base Aave USDC x402 REST

Aave USDC yield pools on Base. No parameters.

earn-pulse.haiqingm58.workers.dev Crypto & Payments checked 2026-10-26
0.005 USDC per call per call

Stable Prints x402 REST

USDT, USDC and DAI USD prints. No parameters.

earn-pulse.haiqingm58.workers.dev Crypto & Payments checked 2026-10-26
0.005 USDC per call per call

LupaPago x402 REST

LupaPago fee changelog JSON — editorial log, paid per call.

lupapago.com Infrastructure checked 2026-10-26
0.01 USDC per call per call

USDC Spot x402 REST

USDC USD print from CoinGecko. No parameters.

earn-pulse.haiqingm58.workers.dev Crypto & Payments checked 2026-10-26
0.005 USDC per call per call

Base USDC Yields x402 REST

Top USDC yield pools on Base by TVL

earn-pulse.haiqingm58.workers.dev Crypto & Payments checked 2026-10-26
0.005 USDC per call per call

Wallet balance in USD on Arc x402 REST

What an Arc wallet holds, with a USD value for each token: native USDC, EURC and APEX always, plus up to 20 more tokens you list in ?tokens=0x..,0x... Pass ?address=0x.... Balances are read live (Multicall3); each token...

apexfaucet.xyz Crypto & Payments checked 2026-10-26
0.002 USDC per call per call

Wallet history & transfers on Ar x402 REST

Wallet history on Arc: the last 50 transfers in and out of an address over about 3 days (100,000 blocks), decoded. Pass ?address=0x.... Each row: transaction, block, time, direction (in / out / self), from, to, token and...

apexfaucet.xyz Crypto & Payments checked 2026-10-26
0.003 USDC per call per call

Address poisoning check, Arc x402 REST

Send guard for Arc: call it BEFORE sending USDC or a token. Pass ?from=<sending wallet>&to=<destination> (and &token=0x... for a token send). Returns verdict stop / check / ok with reasons: the destination is a lookalike...

apexfaucet.xyz Crypto & Payments checked 2026-10-26
0.001 USDC per call per call

Token allowance check, Arc x402 REST

Allowance check on Arc, before an app asks for an approval: what owner has already approved to spender for a token (default USDC; add &token=0x... for another), in tokens and USD, whether it is unlimited, the owner's bal...

apexfaucet.xyz Crypto & Payments checked 2026-10-26
0.001 USDC per call per call

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