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MARKET MONITOR / CATALOGUE Services 111,481 MCP listed 39,819 x402 71,717 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-26 · 3 sources
Task

Multi Chain

52 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.

Portfolio Scenarios x402 REST usage

When to use: what-if P&L under relative spot/vol shocks and calendar time decay on a European book. Returns base MTM+Greeks and per-scenario shocked MTM, MTM change, full Greeks. Single-option or multi-leg. USDC exact on...

derivatives-pricer-production.up.railway.app Crypto & Payments 5 calls / 30d checked 2026-10-26
0.25 USDC per call per call

Surface Scenarios x402 REST usage

When to use: book reval on an IV surface under F/rate/time/vol shocks with sticky moneyness|strike|fixed_vol. Vol order: interpolate → volAbs → volRel → smileTwist*k. Greeks are sticky-σ BS Greeks (not smile bump deltas)...

derivatives-pricer-production.up.railway.app Crypto & Payments 6 calls / 30d checked 2026-10-26
0.15 USDC per call per call

Portfolio Net Greeks x402 REST usage

When to use: multi-leg European book → need net MTM + net Greeks (long/short via signed quantity). Shared rate/yield; each leg has underlying, strike, T, type, quantity, vol. Optional dollar Greeks. Prefer scenario endpo...

derivatives-pricer-production.up.railway.app Crypto & Payments 6 calls / 30d checked 2026-10-26
0.15 USDC per call per call

IV Surface Desk x402 REST usage

When to use: book of market premiums → need IV grid + per-quote Greeks (not a single contract). Shared rate/yield; each row has its own underlying (power/commodity forwards by maturity). Returns strike×maturity IV surfac...

derivatives-pricer-production.up.railway.app Crypto & Payments 6 calls / 30d checked 2026-10-26
0.1 USDC per call per call

Price From Surface x402 REST usage

When to use: you already have an IV surface (k,T,σ) and need to price options on it — not invert premiums and not scalar σ. Interpolates total variance w=σ²T bilinear in log-moneyness k=ln(K/F); wingRule=flat_vol. Return...

derivatives-pricer-production.up.railway.app Crypto & Payments 6 calls / 30d checked 2026-10-26
0.08 USDC per call per call

EVM State Batch x402 REST usage

Read-only EVM state API for wallet snapshots, ERC-20 balances, token allowances, contract code, block heights, and bounded eth_call reads across Ethereum, Base, Arbitrum, Optimism, and Polygon. Fixed price: $0.05 USDC on...

evmstate.com Crypto & Payments 6 calls / 30d checked 2026-10-26
0.05 USDC per call per call

Single IV Solver x402 REST usage

When to use: one market premium → need σ̂ + Greeks; cheaper/faster than a full surface. Solves Black-Scholes IV then prices Greeks at the solved σ. Same engine as the surface endpoint (fastImpliedVol). Prefer surface whe...

derivatives-pricer-production.up.railway.app Crypto & Payments 6 calls / 30d checked 2026-10-26
0.03 USDC per call per call

address_activity x402 REST usage

Recent transaction history for an address, normalized across Ethereum, Base, Arbitrum, Optimism, Polygon, Bitcoin, and Solana -- direction, counterparty, and value where the chain's data model makes that derivable.

chainsscope.duckdns.org Crypto & Payments 8 calls / 30d checked 2026-10-26
0.015 USDC per call per call

BSM Price+Greeks x402 REST usage

When to use: you already have model inputs (S or forward mark, K, T, r, σ) and need fair value + hedge ratios — not market-premium IV. European BSM price + analytic Greeks (delta, gamma, vega, theta, rho). Works for equi...

derivatives-pricer-production.up.railway.app Crypto & Payments 9 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Saylor Innovations Guide Library x402 REST usage

CUDA, driver and Ollama compatibility - GPU support, model memory fit and proof inference uses the GPU

saylorinnovations.com AI Models & Inference 6 calls / 30d checked 2026-10-26
0.01 USDC per call per call

fee_estimate x402 REST usage

Current network fee conditions -- gas price (ETH/Base/Arbitrum/Optimism/Polygon), sat/vB fee tiers (Bitcoin), or recent prioritization fees (Solana) -- useful for an agent about to construct a transaction itself.

chainsscope.duckdns.org Crypto & Payments 5 calls / 30d checked 2026-10-26
0.01 USDC per call per call

All 15 Chains Activity Snapshot x402 REST usage

Parameter-free: the activity snapshot for all 15 blockchains sold here in one call, each with latest weekly transactions, active addresses, fees, value moved and other metrics with 7-day change and analyst reads. Use to...

www.blockchainiq.co Crypto & Payments 2 calls / 30d checked 2026-10-26
0.02 USDC per call per call

Decimals of an ERC20 token x402 REST usage

Decimals of an ERC20 token — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Crypto & Payments 7 calls / 30d checked 2026-10-26
0.003 USDC per call per call

Evm address summary x402 REST usage

Everything cheap that is knowable about an address, in one call — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Geo & Maps 2 calls / 30d checked 2026-10-26
0.006 USDC per call per call

GEDX402 Image x402 REST usage

Fast text-to-image with Flux 1 Schnell (@cf/black-forest-labs/flux-1-schnell). POST prompt and optional dimensions; returns base64 image output. Hero: GET /heroes/flux-schnell. Per-generation x402 pricing per USDC per re...

image.gedx402.com Crypto & Payments 1 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Evm block number x402 REST usage

Current block height on any of ten EVM chains — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 3 calls / 30d checked 2026-10-26
0.003 USDC per call per call

Evm chain id x402 REST usage

EIP-155 chain id, confirmed from the node itself — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 3 calls / 30d checked 2026-10-26
0.003 USDC per call per call

Evm priority fee x402 REST usage

Suggested EIP-1559 priority fee (miner tip) — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 3 calls / 30d checked 2026-10-26
0.003 USDC per call per call

Evm code x402 REST usage

Is this address a contract or an externally-owned account — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 3 calls / 30d checked 2026-10-26
0.003 USDC per call per call

Name of a token contract x402 REST usage

Name of a token contract — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 3 calls / 30d checked 2026-10-26
0.003 USDC per call per call

Block header by block hash x402 REST usage

Block header by block hash — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 3 calls / 30d checked 2026-10-26
0.003 USDC per call per call

Evm balance x402 REST usage

Multi-chain EVM balance read — native + ERC20, up to 5 chains in ONE call — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Crypto & Payments 1 calls / 30d checked 2026-10-26
0.008 USDC per call per call

Evm multi chain scan x402 REST usage

Which of ten EVM chains has this address ever touched — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Data & Finance 1 calls / 30d checked 2026-10-26
0.008 USDC per call per call

ApiToll Multi-Chain EVM Gas x402 REST usage

Multi-chain EVM gas price oracle for AI agents — 17 chains (Ethereum, Base, Arbitrum, Optimism, Polygon, BNB, Avalanche…). One x402 call returns slow/standard/fast EIP-1559 tiers as DROP-IN maxFeePerGas + maxPriorityFeeP...

evm-gas.apitoll.cloud Crypto & Payments 7 calls / 30d checked 2026-10-26
0.001 USDC per call per call

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