Browse indexable blockchain and crypto x402 offerings, including provider, method, and service details.
8146 indexable offerings in this category.
Seeded Percentage Rollout: Seeded Percentage Rollout evaluates stable inclusion in a percentage rollout from bounded caller-supplied values without an external provider. Call Seeded Percentage Rollou…
Recommend a batch size from item count, hard cap, and average item bytes — call when batching micro-calls under item and byte caps. Use before side effects when composing multi-step agent jobs—the sa…
Agent Result Cost Check: Agent Result Cost Check checks declared result cost against a call budget from bounded caller-supplied values without an external provider. Call Agent Result Cost Check befor…
EVM Batch Value Sum: EVM Batch Value Sum sums bounded raw transaction values for a batch funding view from bounded caller-supplied values without an external provider. Call EVM Batch Value Sum before…
EVM Tx Envelope Check: EVM Tx Envelope Check checks required envelope fields for a declared transaction type from bounded caller-supplied values without an external provider. Call EVM Tx Envelope Che…
EVM Receipt Gas Variance: EVM Receipt Gas Variance compares gas used with a preflight estimate and reports variance from bounded caller-supplied values without an external provider. Call EVM Receipt …
Ethereum Up or Down 15-Minute Probability estimates p_up and p_down for quarter-hour windows using a broader caller-supplied trend sample. Send 8-240 ordered caller-supplied ETH price observations, t…
Normalize await/job status fields for media-long jobs. Call when agents polling long jobs need a stable status shape. Returns normalized status object as deterministic JSON for $0.001 USDC via x402 o…
Convert 6-decimal USDC raw units into human USDC amounts. Call when displaying USDC balances or payment receipts stored as raw integers. Returns USDC amount with decimals=6 as deterministic JSON for …
Estimate bytes/tokens for a handoff capsule string. Call when Protocol-adjacent sizing before free handoff storage. Returns bytes and token_estimate as deterministic JSON for $0.001 USDC via x402 on …
EVM Tx Type Classify: EVM Tx Type Classify classifies legacy, access-list, dynamic-fee, and blob transaction type codes from bounded caller-supplied values without an external provider. Call EVM Tx T…
EVM Legacy Fee Check: EVM Legacy Fee Check checks gasPrice and gasLimit values for a legacy transaction budget from bounded caller-supplied values without an external provider. Call EVM Legacy Fee Ch…
Time-weighted absolute peg deviation over samples. Call when summarizing depeg severity over a sample window. Returns tw_abs_deviation as deterministic JSON for $0.001 USDC via x402 on Base. First-pa…
Sum gas + bridge fee + slippage budget into total cost. Call when comparing bridge routes with known component costs. Returns total_cost and components as deterministic JSON for $0.001 USDC via x402 …
Check whether an object is empty. Call when you gate agent workflows on empty JSON bodies. Returns empty flag and size for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party…
Get object[key] with default. Call when you read optional agent JSON fields safely. Returns value, key, found for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JS…
Verify an x402 purchase actually settled and delivered what you paid for: submit bounded, non-secret metadata for the payment requirement, payment response, delivery receipt and settlement reference,…
Extract the 4-byte function selector from calldata hex — call when reading the 4-byte selector from calldata. Use for chain input hygiene without live RPC—adjacent to OneSource-class small chain read…
X402 Scheme Select: X402 Scheme Select selects the first buyer-supported payment scheme from challenge options from bounded caller-supplied values without an external provider. Call X402 Scheme Selec…
Lite constant-product amount when price stays in a range. Call when estimating concentrated LP swaps without on-chain state. Returns amount_out approx and note as deterministic JSON for $0.001 USDC v…
AMM price impact in bps for a swap input against reserves. Call when pre-trade impact checks for pool size vs order size. Returns impact bps and mid vs execution as deterministic JSON for $0.001 USDC…
EVM Batch Gas Sum: EVM Batch Gas Sum sums gas limits and fee ceilings across a transaction batch from bounded caller-supplied values without an external provider. Call EVM Batch Gas Sum before signin…
X402 Challenge Version Check: X402 Challenge Version Check compares challenge protocol version with supported versions from bounded caller-supplied values without an external provider. Call X402 Chal…
Approximate short liquidation price from entry, leverage, and maintenance. Call when risk banners for leveraged short positions (advisory model). Returns liq price estimate for short as deterministic…