anchor-x402 Decode API
The Decode API from anchor-x402 — 2 operation(s) for decode.
Work with this as data
Every API here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for apis
7 MCP tools reach this
find_apisBrowse and filter every API in the catalog.get_api_artifactsOne API's artifacts, grouped by type.get_openapiThe primary OpenAPI for this API.find_similar_apisAPIs that look like this one.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This API
curl "https://apis.io/api/v1/apis/anchor-x402-decode-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"Discovery needs no key. Ratings and market analysis are Pro.
Get an API key
Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.
A second provider on the same verified email joins the account you already have.
OpenAPI Specification
openapi: 3.2.0
info:
title: anchor-x402 Decode API
description: 18 pay-per-call x402 services for AI agents — on-chain anchoring & attestation, wallet/address security screening, Web3 data (tx & calldata decode, ENS, token prices), x402 spend accounting, content analysis, and verifiable randomness. No API keys or accounts; settle per request in USDC on Base or Solana. $0.001–$1.77 per call.
version: 0.3.0
x-guidance: Pay-per-call x402 services for AI agents — no API keys or accounts. Each paid route returns HTTP 402 with x402 payment requirements; pay in USDC on Base or Solana (select routes also settle JPYC on Polygon) and retry with the payment header. Prices are $0.001–$1.77 per call. POST routes take a JSON body per each operation's requestBody schema.
contact:
email: hypeprinter007@gmail.com
x-logo:
url: https://api.anchor-x402.com/icon.png
altText: anchor-x402
tags:
- name: Decode
paths:
/v1/decode/tx:
post:
summary: Parse a Base or Solana transaction into plain English
operationId: decode_tx_v1_decode_tx_post
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/TxDecodeRequest'
responses:
'200':
description: Successful Response
content:
application/json:
schema:
$ref: '#/components/schemas/TxDecodeResponse'
'422':
description: Validation Error
content:
application/json:
schema:
$ref: '#/components/schemas/HTTPValidationError'
'402':
description: Payment Required
x-payment-info:
price:
mode: fixed
currency: USD
amount: '0.001000'
protocols:
- x402: {}
tags:
- Decode
/v1/decode/calldata:
post:
summary: Parse raw EVM calldata into a named function call
operationId: decode_calldata_v1_decode_calldata_post
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/CalldataDecodeRequest'
responses:
'200':
description: Successful Response
content:
application/json:
schema:
$ref: '#/components/schemas/CalldataDecodeResponse'
'422':
description: Validation Error
content:
application/json:
schema:
$ref: '#/components/schemas/HTTPValidationError'
'402':
description: Payment Required
x-payment-info:
price:
mode: fixed
currency: USD
amount: '0.001000'
protocols:
- x402: {}
tags:
- Decode
components:
schemas:
ValidationError:
properties:
loc:
items:
anyOf:
- type: string
- type: integer
type: array
title: Location
msg:
type: string
title: Message
type:
type: string
title: Error Type
input:
title: Input
ctx:
type: object
title: Context
type: object
required:
- loc
- msg
- type
title: ValidationError
DecodedParam:
properties:
name:
anyOf:
- type: string
- type: 'null'
title: Name
type:
type: string
title: Type
value:
title: Value
type: object
required:
- type
- value
title: DecodedParam
CalldataDecodeRequest:
properties:
chain:
type: string
enum:
- ethereum
- solana
title: Chain
description: '"ethereum" supported; "solana" returns 400.'
calldata_hex:
type: string
minLength: 8
title: Calldata Hex
description: Raw EVM calldata (>=4-byte selector), with or without 0x prefix.
contract_address:
anyOf:
- type: string
- type: 'null'
title: Contract Address
description: Optional. Reserved for future on-chain ABI lookups; currently unused.
type: object
required:
- chain
- calldata_hex
title: CalldataDecodeRequest
TxDecodeResponse:
properties:
chain:
type: string
title: Chain
tx_hash:
type: string
title: Tx Hash
block_number:
anyOf:
- type: integer
- type: 'null'
title: Block Number
timestamp:
anyOf:
- type: integer
- type: 'null'
title: Timestamp
from_address:
anyOf:
- type: string
- type: 'null'
title: From Address
to_address:
anyOf:
- type: string
- type: 'null'
title: To Address
value_wei:
anyOf:
- type: string
- type: 'null'
title: Value Wei
value_eth:
anyOf:
- type: string
- type: 'null'
title: Value Eth
gas_used:
anyOf:
- type: integer
- type: 'null'
title: Gas Used
status:
anyOf:
- type: integer
- type: string
- type: 'null'
title: Status
input_calldata_hex:
anyOf:
- type: string
- type: 'null'
title: Input Calldata Hex
native_currency:
anyOf:
- type: string
- type: 'null'
title: Native Currency
slot:
anyOf:
- type: integer
- type: 'null'
title: Slot
block_time:
anyOf:
- type: integer
- type: 'null'
title: Block Time
fee_lamports:
anyOf:
- type: integer
- type: 'null'
title: Fee Lamports
signers:
anyOf:
- items:
type: string
type: array
- type: 'null'
title: Signers
program_calls:
anyOf:
- items:
additionalProperties: true
type: object
type: array
- type: 'null'
title: Program Calls
type: object
required:
- chain
- tx_hash
title: TxDecodeResponse
CalldataDecodeResponse:
properties:
function_selector:
type: string
title: Function Selector
function_name:
anyOf:
- type: string
- type: 'null'
title: Function Name
function_signature:
anyOf:
- type: string
- type: 'null'
title: Function Signature
params:
items:
$ref: '#/components/schemas/DecodedParam'
type: array
title: Params
decoded:
type: boolean
title: Decoded
candidates:
items:
type: string
type: array
title: Candidates
description: Other matching sigs when the 4byte selector is ambiguous.
source:
type: string
title: Source
default: openchain.xyz
type: object
required:
- function_selector
- decoded
title: CalldataDecodeResponse
TxDecodeRequest:
properties:
chain:
type: string
enum:
- base
- ethereum
- solana
title: Chain
tx_hash:
type: string
maxLength: 128
minLength: 1
title: Tx Hash
type: object
required:
- chain
- tx_hash
title: TxDecodeRequest
HTTPValidationError:
properties:
detail:
items:
$ref: '#/components/schemas/ValidationError'
type: array
title: Detail
type: object
title: HTTPValidationError