the402 x402 endpoint directory

Parse 0x-hex strings into decimal integer strings for agents. Call when decoding calldata, logs, or block fields witho

Convert basis points into percent for operator-facing copy. Call when showing fee or slippage bps as percent strings.

Convert percent values into basis points (1% = 100 bps). Call when bridging UI percent inputs into bps-based trading c

Convert fractional rates into basis points for trading UIs. Call when you need bps labels from internal 0–1 fee or edg

Convert 6-decimal USDC raw units into human USDC amounts. Call when displaying USDC balances or payment receipts store

Convert USDC human amounts into 6-decimal raw units used on-chain. Call when quoting or building USDC transfers/paymen

Scale raw token units by decimals into human-readable amounts. Call when rendering balances or logs that store raw int

Scale human token amounts by decimals into on-chain raw units. Call when building ERC-20 transfer/approve amounts from

Scale wei integer strings into ether for dashboards and receipts. Call when displaying balances, receipts, or logs tha

Scale ether amounts into wei integer strings for transfers and tx value. Call when preparing value fields, allowances,

Convert wei integer strings into gwei for readable gas quotes. Call when you need human-readable gas price from a wei

Convert gas prices from gwei into wei integer strings for EVM transactions. Call when you hold gas price in gwei and n

Agent Delivery Acceptance Gate: Agent Delivery Acceptance Gate combines required delivery checks into one fail-closed

Agent Delivery Quality Score: Agent Delivery Quality Score calculates a transparent weighted score from completeness,

Agent Delivery Batch Gate: Agent Delivery Batch Gate checks batch terminality, success fraction, and refund-queue cove

Agent Delivery Dedupe Key: Agent Delivery Dedupe Key derives a stable non-secret key from operation and caller item id

Agent Delivery Order Check: Agent Delivery Order Check checks delivered identifiers against expected order from bounde

Agent Delivery Fallback Gate: Agent Delivery Fallback Gate checks whether failure conditions permit a declared fallbac

Agent Delivery Retry Plan: Agent Delivery Retry Plan builds a bounded retry plan from attempts, base delay, and retrya

Agent Delivery Timeout Budget: Agent Delivery Timeout Budget allocates an end-to-end timeout across connect, execution

Agent Delivery Sla Check: Agent Delivery Sla Check checks latency, success, and result completeness against an SLA fro

Agent Result Budget Check: Agent Result Budget Check checks cumulative caller-supplied spend against daily and per-cal

Agent Result Cost Check: Agent Result Cost Check checks declared result cost against a call budget from bounded caller

Agent Result Citation Check: Agent Result Citation Check checks bounded citation objects for URL and title fields from

Agent Result Confidence Check: Agent Result Confidence Check checks a confidence value against caller bounds without v

Agent Result Completeness Check: Agent Result Completeness Check checks required output paths for non-null values from

Agent Result Freshness Check: Agent Result Freshness Check checks result observation age against a caller freshness bu

Agent Result Provenance Check: Agent Result Provenance Check checks result provenance for source, observed time, and m

Agent Result Error Shape Check: Agent Result Error Shape Check checks an agent error object for code, message, and ret

Agent Result Envelope Check: Agent Result Envelope Check checks a generic agent result for schema, status, and data or

X402 Copy Completeness Check: X402 Copy Completeness Check checks product copy for service name, job, outcome, limitat

X402 Discovery Parity Check: X402 Discovery Parity Check compares tool-name sets from catalog, OpenAPI, portfolio, and

X402 Registry Route Check: X402 Registry Route Check checks one runtime registry entry for tool, path, method, and ups

X402 Portfolio Route Check: X402 Portfolio Route Check checks one portfolio entry for ownership, economics, resource,

X402 Openapi Route Check: X402 Openapi Route Check checks one OpenAPI operation for tool id, request schema, and 402 r

X402 Catalog Route Check: X402 Catalog Route Check checks one catalog route for tool, method, path, and positive price

X402 Price Drift Check: X402 Price Drift Check compares advertised and challenged raw prices against a tolerance from

X402 Idempotency Check: X402 Idempotency Check compares payment and delivery idempotency keys for one operation from b

X402 Retry Safety Check: X402 Retry Safety Check checks whether retrying after challenge or delivery failure risks dou

X402 Refund Receipt Check: X402 Refund Receipt Check checks caller-supplied refund receipt identifiers, amount, and st

X402 Refund Deadline Check: X402 Refund Deadline Check checks a refund request timestamp against a policy window from

X402 Refund Amount Check: X402 Refund Amount Check compares requested refund raw amount with original settled amount f

X402 Refund Eligibility Check: X402 Refund Eligibility Check evaluates caller-supplied delivery outcome against explic

X402 Delivery Latency Check: X402 Delivery Latency Check checks observed delivery latency against a buyer SLA from bou

X402 Delivery Hash Check: X402 Delivery Hash Check verifies delivered text against a caller-supplied sha-256 digest fr

X402 Delivery Size Check: X402 Delivery Size Check checks serialized result byte size against a buyer limit from bound

X402 Delivery Content Type Check: X402 Delivery Content Type Check compares delivery content type with buyer-accepted

X402 Delivery Schema Check: X402 Delivery Schema Check checks delivered object fields against a caller-required field

X402 Delivery Status Check: X402 Delivery Status Check classifies delivery HTTP status against accepted success codes

X402 Settlement Tx Shape: X402 Settlement Tx Shape checks a settlement transaction identifier for expected chain shape