MARKET MONITOR / CATALOGUE Services 137,335 MCP listed 41,666 x402 95,769 Rails Base / Solana / Polygon / Arbitrum Imported 2026-11-02 · 3 sources
Task

Approval

38 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.

Token allowance, Sei ERC-20 x402 REST usage

Token allowance, Sei ERC-20. ERC-20 token allowance on Sei: how much a spender may move from an owner's wallet (allowance), raw and in token units, and whether the approval is unlimited. Use to check an approval before a...

agent-data-tools.revmesh2074.workers.dev Crypto & Payments 2 calls / 30d checked 2026-11-02
0.003 USDC per call per call

Token allowance, Sonic ERC-20 x402 REST usage

Token allowance, Sonic ERC-20. ERC-20 token allowance on Sonic: how much a spender may move from an owner's wallet (allowance), raw and in token units, and whether the approval is unlimited. Use to check an approval befo...

agent-data-tools.revmesh2074.workers.dev Crypto & Payments 2 calls / 30d checked 2026-11-02
0.003 USDC per call per call

Token allowance, Unichain ERC-20 x402 REST usage

Token allowance, Unichain ERC-20. ERC-20 token allowance on Unichain: how much a spender may move from an owner's wallet (allowance), raw and in token units, and whether the approval is unlimited. Use to check an approva...

agent-data-tools.revmesh2074.workers.dev Crypto & Payments 2 calls / 30d checked 2026-11-02
0.003 USDC per call per call

Token allowance, zkSync ERC-20 x402 REST usage

Token allowance, zkSync ERC-20. ERC-20 token allowance on zkSync Era: how much a spender may move from an owner's wallet (allowance), raw and in token units, and whether the approval is unlimited. Use to check an approva...

agent-data-tools.revmesh2074.workers.dev Crypto & Payments 2 calls / 30d checked 2026-11-02
0.003 USDC per call per call

ERC-20 token approval check x402 REST usage

ERC-20 token approval check. Check how much of a wallet's ERC-20 token a spender contract is approved to move on Base: the raw and formatted allowance, the token symbol and decimals, and whether the approval is unlimited...

agent-data-tools.revmesh2074.workers.dev Crypto & Payments 3 calls / 30d checked 2026-11-02
0.002 USDC per call per call

AllTheBot ERC-20 allowance x402 REST usage

ERC-20 allowance and token approval check on Base: how much a spender contract is approved to move from an owner wallet, with unlimited-approval detection. Run it before a swap, a bridge or a transferFrom.

api.zkrobotics.fr Crypto & Payments 2 calls / 30d checked 2026-11-02
0.003 USDC per call per call

Erc721 approved x402 REST usage

Which address is approved to move one NFT — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Crypto & Payments 1 calls / 30d checked 2026-10-27
0.003 USDC per call per call

Quartermaster ERC-20 Allowance x402 REST usage

Check an ERC-20 spending allowance on Base; flags unlimited approvals.

quartermaster.surewhynot.app Crypto & Payments 1 calls / 30d checked 2026-11-02
0.001 USDC per call per call

Crypto Microdata for Agents x402 REST

Live Korea kimchi premium: Upbit KRW vs global USD for BTC and ETH, plus USD/KRW FX. Korea crypto arb/sentiment signal. Optional symbols=BTC,ETH filter. Alias: /kr/kimchi-premium.

kr-x402-mvp.kgy5612.workers.dev Data & Finance checked 2026-11-02
0.002 USDC per call per call

ERC20 allowance x402 REST checked

ERC20 allowance on Ethereum, Base, Arc or BNB Chain: how much a spender may move from an owner, raw and in token units, and whether the approval is effectively unlimited. Pass ?token=&owner=&spender=&chain=

apexfaucet.xyz Crypto & Payments checked 2026-10-30
0.001 USDC per call per call checked

Base ERC-20 Allowance Checker x402 REST

ERC-20 allowance(owner, spender) on Base, raw + formatted, flags unlimited approvals.

x402-data-api.sigrunner.workers.dev Crypto & Payments checked 2026-10-29
0.002 USDC per call per call

txsafety-raw x402 REST

Pre-sign safety verdict for a raw EVM transaction. Decodes the calldata against a known-signature registry, shows known-pattern effects (approval delta, transfer target), dry-runs eth_call for revert, checks scam-blockli...

payai.agentstools.dev Security checked 2026-10-29
0.02 USDC per call per call

approvals-wallet x402 REST

Standing-state audit of a wallet's live ERC-20 token approvals. Indexes every approval the address ever granted, filters to those still live on-chain, flags unlimited, stale, scam-listed and canonical spenders, estimates...

payai.agentstools.dev Crypto & Payments checked 2026-10-29
0.02 USDC per call per call

approvals-nft x402 REST

Standing-state audit of a wallet's live NFT operator approvals. Indexes every ApprovalForAll the address granted, filters to operators still live on-chain via isApprovedForAll, flags scam-listed, stale and canonical oper...

payai.agentstools.dev Crypto & Payments checked 2026-10-29
0.01 USDC per call per call

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