Browse indexable blockchain and crypto x402 offerings, including provider, method, and service details.
8146 indexable offerings in this category.
X402 Settlement Amount Check: X402 Settlement Amount Check compares settled raw amount with the accepted challenge amount from bounded caller-supplied values without an external provider. Call X402 S…
EVM Fee Cap Order Check: EVM Fee Cap Order Check checks that the priority fee cap does not exceed the total fee cap from bounded caller-supplied values without an external provider. Call EVM Fee Cap …
Base Gas Price Staleness: Base Gas Price Staleness checks the age of a caller-supplied gas quote before use from bounded caller-supplied values without an external provider. Call Base Gas Price Stale…
Echo text with length (probe channel 1). Call when you verify x402 pay→deliver wiring with a trivial payload. Returns echo text, length, echo=1 for $0.001 USDC via x402 on Base. No network, no keys, …
Build a compact fleet status markdown from agent rows. Call when operator agents need a pasteable fleet brief. Returns markdown one-pager as deterministic JSON for $0.01 USDC via x402 on Base. First-…
EVM Replacement Fee Bump: EVM Replacement Fee Bump checks proposed fee caps against a required replacement bump from bounded caller-supplied values without an external provider. Call EVM Replacement …
X402 Settlement Network Check: compares settlement chain with the accepted challenge network using only bounded caller-supplied values. Call when you need a bounded x402 settlement network check resu…
Scale wei integer strings into ether for dashboards and receipts. Call when displaying balances, receipts, or logs that arrive in wei. Returns eth float plus wei string as deterministic JSON for $0.0…
X402 Amount Budget Check: X402 Amount Budget Check checks challenge raw amount against an exact buyer call budget from bounded caller-supplied values without an external provider. Call X402 Amount Bu…
Validate 0x + 64 hex transaction hash shape. Call when preflight before receipt lookup. Returns valid boolean as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RP…
Parse CAIP-2 chain identifiers into namespace and reference parts. Call when normalizing multi-chain IDs from agent configs or wallets. Returns namespace, reference, and raw caip2 as deterministic JS…
Encode bounded UTF-8 text to hex or inspect hex byte length without RPC — call when encoding bounded UTF-8 to hex or inspecting hex length. Use for chain input hygiene without live RPC—adjacent to On…
EVM Block Age Check: EVM Block Age Check checks caller-supplied block timestamp age against a freshness budget from bounded caller-supplied values without an external provider. Call EVM Block Age Che…
EVM Finality Depth Check: checks confirmation count against a caller-required depth using only bounded caller-supplied values. Call when you need a bounded evm finality depth check result before sign…
Sum price*size depth notional for a side ladder. Call when risk needs notional available within N levels. Returns depth_notional and levels_used as deterministic JSON for $0.001 USDC via x402 on Base…
Bitcoin Up or Down 30-Minute Probability estimates p_up and p_down for half-hour windows using the widest caller-supplied context in this family. Send 8-240 ordered caller-supplied BTC price observat…
Stake size from bankroll and fraction (Kelly or fixed-f). Call when turning a fraction into dollars to risk this bet. Returns stake amount as deterministic JSON for $0.001 USDC via x402 on Base. Firs…
Compute confirmations remaining from head and inclusion block. Call when progress bars and readiness gates for deposit/finality logic. Returns confirmations observed vs needed as deterministic JSON f…
Seeded Consistent Shard: Seeded Consistent Shard maps a stable key to one shard without mutable state from bounded caller-supplied values without an external provider. Call Seeded Consistent Shard wh…
Look up supported blockchain network metadata and chain IDs for $0.001 USDC. Static first-party registry only—no live RPC, balances, blocks, receipts, gas, or contract reads. Call when you need this …
EVM Transfer Recipient Check: compares an encoded recipient address with the intended recipient using only bounded caller-supplied values. Call when you need a bounded evm transfer recipient check re…
EVM Event Log Shape Check: EVM Event Log Shape Check checks address, topics, and data shapes for a caller-supplied log from bounded caller-supplied values without an external provider. Call EVM Event…
X402 Settlement Recipient Check: X402 Settlement Recipient Check compares settlement recipient with the accepted pay-to address from bounded caller-supplied values without an external provider. Call …
Ethereum Up or Down 30-Minute Probability estimates p_up and p_down for half-hour windows using the widest caller-supplied context in this family. Send 8-240 ordered caller-supplied ETH price observa…