aeX402 Rpc.aex402.com API
The Rpc.aex402.com API from aeX402 — 1 operation(s) for rpc.aex402.com.
The Rpc.aex402.com API from aeX402 — 1 operation(s) for rpc.aex402.com.
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openapi: 3.2.0
info:
title: Aex402 Com Rpc.aex402.com API
version: 0.3.0
contact:
url: https://aex402.com
x-guidance: 'This API provides multi-chain JSON-RPC proxying (Solana + EVM chains) and OpenAI-compatible AI chat completions, both payable via x402 micropayments on Solana.
**Getting started:**
1. Free tier: 10 requests/minute per IP, no auth needed. Response header X-Rate-Remaining shows calls left this minute. Heavier use is pay-per-call via x402 ($0.01 buys 100 calls).
2. When the free tier is exceeded, the server returns HTTP 402 with full payment instructions in the body (schema: PaymentRequired402).
3. ZERO-QUOTA DISCOVERY (two ways): (a) GET /.well-known/x402 — paymentRequirements field carries payTo, token mints, and atomic amounts; (b) POST / with header "Prefer: x402-probe" (any body) returns the full 402 payment instructions. Neither consumes quota.
4. Pay with USDC, USDT, SOL, or $ANSEM on Solana mainnet. Minimum payment: $0.01 = 100 credits. The 402 body''s paidTier.accepts[] lists exact mint addresses and atomic amounts; paidTier.payTo is the recipient.
5. Two ways to settle: (a) build+sign a Solana transfer TX, base64-encode it, and retry the request with the PAYMENT-SIGNATURE header (the worker co-signs as fee payer and submits — you pay no gas); or (b) send tokens to payTo yourself, then claim with GET /topup?sig=<tx_signature>.
6. Success responses include headers: X-Session (HMAC session token, 24h sliding TTL), X-Credits-Remaining, PAYMENT-RESPONSE (settlement JSON). Use X-Session on subsequent requests.
7. For long-lived programmatic access, create an API key via POST /v1/api-keys (requires Ed25519 wallet signature) and use Authorization: Bearer sk-aex-v1-*. Header-less tooling (forge/hardhat/MetaMask/web3.js, which speak raw JSON-RPC and can''t set headers) can instead embed the credential in the URL query — ?key=sk-aex-v1-* or ?session=ses-* on any endpoint (e.g. https://rpc.aex402.com/rh?key=sk-aex-v1-...), identical to the header and drawing from prepaid credits rather than the free per-IP rate limit.
**Key endpoints:**
- POST / — Solana JSON-RPC proxy; eth_* methods auto-route to Robinhood Chain (1 credit per call)
- POST /rh — Robinhood Chain mainnet (EVM, chain ID 4663); /rh/testnet for testnet (46630)
- POST /hl — HyperEVM (EVM, chain ID 999)
- POST /eth — Ethereum Mainnet (EVM, chain ID 1)
- POST /base — Base Mainnet (EVM, chain ID 8453)
- POST /stable — Stable Mainnet (EVM, chain ID 988, USDT0 gas)
- POST /plasma — Plasma Mainnet (EVM, chain ID 9745)
- POST /tempo — Tempo Mainnet Presto (EVM, chain ID 4217)
- POST /codex — Codex Mainnet (EVM, chain ID 81224)
- POST /v1/chat/completions — OpenAI-compatible AI chat (1-50 credits depending on model/tokens)
- GET /credits?wallet=<pubkey> — Check credit balance (free)
- GET /health — Backend status (free)
- POST /mcp — MCP server: any Solana/EVM RPC method (solana_rpc/evm_rpc), all read endpoints (api_get), AMM tools, TX builders, and mcp_linq for one-call fan-out + fluent LINQ-style aggregation
**Pricing:** 1 credit = $0.0001. RPC calls cost 1 credit. AI calls cost 1-50 credits based on token usage.'
description: 'Operations tagged Rpc.aex402.com across 2 of this provider''s published API definitions: rpc.aex402.com.json, rpc-aex402-com-openapi.json. Each path carries the servers of the definition it was published in.'
servers:
- url: https://rpc.aex402.com
security:
- BearerAuth: []
- SessionHeader: []
- WalletHeader: []
tags:
- name: Rpc.aex402.com
paths:
/:
post:
operationId: solanaRpc
summary: Multi-chain JSON-RPC proxy — Solana by default; eth_*/net_*/web3_* methods…
x-payment-info:
protocols:
- x402
pricingMode: fixed
price: '100'
priceUnits: atomic USDC (6 decimals) — 100 = $0.0001 = 1 credit
requestBody:
required: true
content:
application/json:
schema:
type: object
required:
- jsonrpc
- id
- method
properties:
jsonrpc:
type: string
enum:
- '2.0'
id:
type:
- integer
- string
method:
type: string
params:
type: array
responses:
'200':
description: JSON-RPC response
'402':
description: 'Payment required — see body for payTo, mints, amounts (elicit anytime: POST / with header Prefer: x402-probe)'
content:
application/json:
schema:
$ref: '#/components/schemas/PaymentRequired402'
tags:
- Rpc.aex402.com
servers:
- url: https://rpc.aex402.com
components:
schemas:
PaymentRequired402:
type: object
description: 'Body of every HTTP 402 response. Contains everything needed to construct payment. Elicit without burning quota: POST / with body {}.'
properties:
jsonrpc:
type: string
error:
type: object
properties:
code:
type: integer
description: -32099 = rate limited / payment required
message:
type: string
freeTier:
type: object
properties:
limit:
type: string
description: e.g. "10 req/min"
resetAt:
type: string
format: date-time
retryAfterMs:
type: integer
paidTier:
type: object
properties:
pricePerCall:
type: string
description: '"$0.0001 USD" — 1 credit per RPC/MCP call'
minimumPayment:
type: string
description: '"$0.01 USD (buys 100 calls)"'
accepts:
type: array
description: Accepted assets with exact atomic amounts
items:
type: object
properties:
name:
type: string
description: USDC | USDT | SOL
mint:
type: string
description: SPL mint address (base58); SOL uses the wrapped SOL mint sentinel
amount:
type: string
description: 'Minimum payment in atomic units of this asset (USDC/USDT: 6 decimals, SOL: 9/lamports)'
decimals:
type: integer
creditsPerPayment:
type: integer
howToPay:
type: array
items:
type: string
description: Step-by-step payment instructions
payTo:
type: string
description: Merchant recipient address — the transfer destination
feePayer:
type: string
description: Facilitator fee-payer address (must NOT appear in your instruction accounts)
facilitator:
type: string
description: External facilitator base URL (alternative to inline PAYMENT-SIGNATURE)
docs:
type: string
quickstart:
type: object
description: Copy-paste onboarding steps incl. /topup and API key flow
securitySchemes:
BearerAuth:
type: http
scheme: bearer
description: API key (sk-aex-v1-...). Recommended for programmatic access. Create via POST /v1/api-keys.
ApiKeyQuery:
type: apiKey
in: query
name: key
description: Same API key (sk-aex-v1-...) passed in the URL query (?key=...) instead of the Authorization header — for header-less tooling (forge, hardhat, MetaMask, web3.js). Identical effect to BearerAuth; draws from prepaid credits, not the free rate limit. A ?session=ses-... query is likewise accepted in place of X-Session.
SessionHeader:
type: apiKey
in: header
name: X-Session
description: HMAC session token (ses-...). Issued in the X-Session response header after x402 settlement (PAYMENT-SIGNATURE) or GET /topup?sig=. Proves wallet ownership. 24h sliding TTL — every credit-spending response returns a refreshed token.
WalletHeader:
type: apiKey
in: header
name: X-Wallet
description: Solana wallet pubkey. READ-ONLY without session/key (balance check only).
PaymentSignature:
type: apiKey
in: header
name: PAYMENT-SIGNATURE
description: 'Inline x402 settlement: base64-encoded signed Solana transfer transaction paying >= the amount from the 402 body (paidTier.accepts[]) to paidTier.payTo. The worker verifies (3-6 instructions, CU limit <= 5000, recipient must match payTo), co-signs as fee payer, simulates, submits, and allocates credits — the payer never spends gas. Success returns PAYMENT-RESPONSE + X-Session + X-Credits-Remaining headers.'
x-refined-from:
- rpc.aex402.com.json
- rpc-aex402-com-openapi.json
x-mcp-endpoint: https://rpc.aex402.com/mcp
x-mcp-tool-count: 33
x-mcp-tools:
- name: solana_getBalance
category: solana
description: Get SOL balance for a wallet address (in lamports). Divide by 1e9 for SOL.
inputSchema:
type: object
properties:
address:
type: string
description: Solana wallet address (base58)
required:
- address
outputSchema:
type: object
properties:
context:
type: object
properties:
slot:
type: integer
description: slot the value was read at
value:
type: integer
description: balance in lamports (1e9 = 1 SOL)
required:
- context
- value
- name: solana_getAccountInfo
category: solana
description: Get raw account info (owner, lamports, data) for any Solana address.
inputSchema:
type: object
properties:
address:
type: string
description: Account address (base58)
encoding:
type: string
description: 'Data encoding: base64 (default) or jsonParsed'
default: base64
required:
- address
outputSchema:
type: object
properties:
context:
type: object
properties:
slot:
type: integer
description: slot the value was read at
value:
type:
- object
- 'null'
description: account (lamports, owner, data, executable, rentEpoch) or null if it does not exist
required:
- context
- name: solana_getTokenAccountsByOwner
category: solana
description: Get all SPL token accounts owned by a wallet. Returns mint, balance, decimals for each token.
inputSchema:
type: object
properties:
owner:
type: string
description: Wallet address (base58)
required:
- owner
outputSchema:
type: object
properties:
context:
type: object
properties:
slot:
type: integer
description: slot the value was read at
value:
type: array
items:
type: object
properties:
pubkey:
type: string
description: token account address
account:
type: object
description: parsed SPL account (mint, owner, tokenAmount)
required:
- context
- value
- name: solana_getTransaction
category: solana
description: Get full transaction details by signature, including instructions, logs, and status.
inputSchema:
type: object
properties:
signature:
type: string
description: Transaction signature (base58)
required:
- signature
outputSchema:
type: object
properties:
slot:
type: integer
blockTime:
type:
- integer
- 'null'
description: unix seconds
transaction:
type: object
description: message + signatures
meta:
type: object
description: fee, pre/post balances, logs, err
- name: solana_getLatestBlockhash
category: solana
description: Get latest blockhash for transaction building. Returns blockhash + lastValidBlockHeight.
inputSchema:
type: object
properties: {}
outputSchema:
type: object
properties:
context:
type: object
properties:
slot:
type: integer
description: slot the value was read at
value:
type: object
properties:
blockhash:
type: string
description: base58
lastValidBlockHeight:
type: integer
required:
- blockhash
- lastValidBlockHeight
required:
- context
- value
- name: solana_getSignaturesForAddress
category: solana
description: Get recent transaction signatures for an address. Returns up to 20 most recent.
inputSchema:
type: object
properties:
address:
type: string
description: Account address (base58)
limit:
type: number
description: Max signatures to return (default 20, max 1000)
default: 20
required:
- address
outputSchema:
type: object
properties:
result:
type: array
items:
type: object
properties:
signature:
type: string
description: base58 tx signature
slot:
type: integer
err:
type:
- object
- 'null'
blockTime:
type:
- integer
- 'null'
confirmationStatus:
type: string
required:
- result
description: array of recent signature records, newest first
- name: solana_sendTransaction
category: solana
description: Submit a signed transaction to the network. Returns transaction signature.
inputSchema:
type: object
properties:
transaction:
type: string
description: Base64-encoded signed transaction
required:
- transaction
outputSchema:
type: object
properties:
result:
type: string
description: base58 transaction signature
required:
- result
description: signature of the submitted transaction
- name: solana_getSlot
category: solana
description: Get the current slot number.
inputSchema:
type: object
properties: {}
outputSchema:
type: object
properties:
result:
type: integer
description: current slot
required:
- result
description: current slot number
- name: aex402_listPools
category: amm
description: List all AeX402 AMM pools on Solana. Returns pool addresses with basic info (mints, balances, fee, amp). Pools are 1024-byte accounts owned by program 3AMM53MsJZy2Jvf7PeHHga3bsGjWV4TSaYz29WUtcdje.
inputSchema:
type: object
properties:
minTvl:
type: number
description: Minimum TVL in lamports to filter (default 0)
default: 0
outputSchema:
type: object
properties:
count:
type: integer
pools:
type: array
items:
type: object
description: 'pool summary: address, mints, balances, tvl, feeBps, amp'
required:
- count
- pools
- name: aex402_getPool
category: amm
description: 'Get detailed AeX402 pool info: token mints, balances, fee, amplification, LP supply, analytics (OHLCV candles), circuit breaker status.'
inputSchema:
type: object
properties:
address:
type: string
description: Pool account address (base58)
required:
- address
outputSchema:
type: object
description: full pool state
properties:
address:
type: string
authority:
type: string
token0Mint:
type: string
token1Mint:
type: string
vault0:
type: string
vault1:
type: string
lpMint:
type: string
amp:
type: string
description: u64 as string
feeBps:
type: string
description: basis points as string
balance0:
type: string
description: u64 as string
balance1:
type: string
description: u64 as string
lpSupply:
type: string
description: u64 as string
paused:
type: boolean
analytics:
type: object
description: OHLCV candles + trade stats
required:
- address
- name: aex402_quote
category: amm
description: Get a swap quote from an AeX402 pool. Calculates expected output, price impact, and fees without executing.
inputSchema:
type: object
properties:
pool:
type: string
description: Pool account address (base58)
inputMint:
type: string
description: Input token mint address
amount:
type: number
description: Input amount in atomic units (lamports/smallest unit)
required:
- pool
- inputMint
- amount
outputSchema:
type: object
properties:
inputMint:
type: string
inputAmount:
type: string
description: u64 as string
outputMint:
type: string
estimatedOutput:
type: string
description: u64 as string
feeBps:
type: integer
priceImpactPct:
type: string
description: percent, 4 decimals
note:
type: string
required:
- inputMint
- inputAmount
- outputMint
- estimatedOutput
- name: aex402_rh_pool
category: amm
description: Get the live state of the aeX402 AMM on Robinhood Chain (EVM 4663) — the diamond-contract port of the Solana AMM. The AMM is the set of GRADUATED launchpad coins whose pools are seeded in-diamond on the canonical launchpad (0xED2F); this enumerates them live by scanning VPoolGraduated events + reading each pool's reserves, so it tracks reality as coins graduate. Returns graduatedPools[] (poolId, token, reserves, TVL), graduatedPoolCount, and status ("live" | "no-graduated-pools" | "unknown"), plus the legacy standalone 0xA1F6 USDG/WETH pool (legacy-drained). Distinct from the chain's Uniswap-fork DEX. No inputs.
inputSchema:
type: object
properties: {}
outputSchema: null
- name: launch_token
category: data
description: 'Launch a memecoin on the aeX402 launchpad on Robinhood Chain (EVM 4663) for a FIXED rising bonding curve (1B supply, starts 0.000008 USDG and climbs ~3.6x, graduates at 10,000 USDG raised, quoted in USDG; the pool then opens just above the last sale price). You supply only identity — name + ticker (+ optional description/image/links). DEFAULT (custodial): the aeX402 backend SIGNS + SUBMITS the createVPool tx for you, so a claude.ai user with NO WALLET can launch in one call; returns {ok,status,txHash,vpId}. Optionally pass `creator` (a 0x address) to record as the coin owner. Pass build:true instead to get an UNSIGNED tx {to,value,data} to submit yourself (non-custodial — that requires `creator` and makes you the on-chain creator). A custodial call SIMULATES first, so a failure burns no gas: status "gated" means createVPool reverts in simulation (cause not determined — likeliest are the ticker still being claimed by a bonding coin or this vpId being taken; see `detail`/`revertData`), and status "unreachable" means the chain could not be reached, which is retryable. The launchpad is NOT chain-gated: createVPool simulates clean from an arbitrary sender (measured 2026-09-25).'
inputSchema:
type: object
properties:
name:
type: string
description: Token name, 1..32 bytes (e.g. "Fork Meme")
ticker:
type: string
description: Ticker / symbol, 1..16 bytes (e.g. "FMEME")
creator:
type: string
description: OPTIONAL 0x EVM address recorded as the coin owner (and seeds the vpId). REQUIRED only when build:true (then it is the self-signing on-chain creator).
description:
type: string
description: Short description (<=256 chars) — off-chain metadata
image:
type: string
description: Image URL (https:// or ipfs:// only) — off-chain metadata
links:
type: array
items:
type: string
description: Up to 3 links (https:// or ipfs:// only) — off-chain metadata
pad:
type: string
description: OPTIONAL aeX402 launchpad slug the coin is launched on. Its vpId then starts with that pad's tag, so the pad lists it. Applies on BOTH the custodial (default) and build:true paths
build:
type: boolean
description: If true, return an UNSIGNED tx to submit yourself (non-custodial) instead of the backend launching for you. Default false.
required:
- name
- ticker
outputSchema:
type: object
properties:
ok:
type: boolean
description: 'Custodial mode: whether the launch was submitted'
status:
type: string
description: submitted | gated | custodial-disabled | exists | rate-limited | insufficient-gas | submit-failed
txHash:
type: string
description: 'Custodial mode: the createVPool tx hash'
vpId:
type: string
description: Deterministic keccak256(creator-or-launcher ++ name ++ ticker)
to:
type: string
description: 'build mode: aeX402 diamond address'
data:
type: string
description: 'build mode: createVPool calldata to submit'
metadata:
type: object
description: Off-chain metadata (stored server-side in custodial mode)
signMetadata:
type: object
description: 'build mode: how the creator signs `metadata` so nobody can claim the coin page first (C103)'
properties:
message:
type: string
description: the exact text to personal_sign, with {ts} replaced by the current time in ms
how:
type: string
description: the POST body and the retry rule
note:
type: string
- name: solana_buildTransfer
category: solana
description: Build a SOL or SPL token transfer instruction. Returns instruction JSON (programId, keys, data) for client-side TX construction and signing.
inputSchema:
type: object
properties:
from:
type: string
description: Sender wallet address (base58)
to:
type: string
description: Recipient address (base58)
amount:
type: number
description: Amount in atomic units (lamports for SOL, smallest unit for SPL)
mint:
type: string
description: SPL token mint address. Omit for native SOL transfer.
required:
- from
- to
- amount
outputSchema:
type: object
properties:
action:
type: string
description: '''transfer_sol'' or ''transfer_spl'''
instruction:
type: object
properties:
programId:
type: string
keys:
type: array
items:
type: object
description: pubkey/isSigner/isWritable
data:
type: string
description: base64 instruction data
required:
- programId
- keys
- data
summary:
type: string
description: human-readable description of the transfer being built
required:
- action
- instruction
- name: aex402_buildSwap
category: amm
description: Build an AeX402 AMM swap action. Fetches live pool state, computes output with slippage protection, returns all instruction parameters and account addresses for client signing.
inputSchema:
type: object
properties:
pool:
type: string
description: Pool account address (base58)
inputMint:
type: string
description: Input token mint address
amount:
type: number
description: Input amount in atomic units
slippageBps:
type: number
description: Max slippage in basis points (default 50 = 0.5%)
userWallet:
type: string
description: User wallet address (for account derivation)
required:
- pool
- inputMint
- amount
- userWallet
outputSchema:
type: object
properties:
action:
type: string
description: '''aex402_swap'''
quote:
type: object
description: estimatedOutput, minOutput, priceImpact
instruction:
type: object
description: programId, keys, data (base64) — sign & submit client-side
required:
- action
- instruction
- name: agent_delegate
category: ai
description: 'Delegate a task to an independent specialist AI agent session. The delegate runs with full tool access and returns its response. Useful for breaking complex tasks into subtasks. Max depth: 3.'
inputSchema:
type: object
properties:
session:
type: string
description: Existing session ID to resume, or omit to create new session
role:
type: string
description: Role for new agent (e.g. "Solana pool analyst", "route optimizer"). Ignored if resuming session.
message:
type: string
description: Task or question for the delegate agent
model:
type: string
description: 'Model ID or alias (default: gpt-4o-mini)'
required:
- message
outputSchema:
type: object
description: delegate agent response (session, reply text, usage)
- name: ai_chat
category: ai
description: 'Send a chat completion request to the aeX402 AI Router. Free tier: 3 calls/day. Paid: deducts credits based on token usage.'
inputSchema:
type: object
properties:
model:
type: string
description: 'Model ID or alias: gpt-4o-mini (default), gpt-4o, claude-sonnet, claude-haiku, llama-70b, llama-8b, gemini-flash'
messages:
type: array
description: 'Chat messages array [{role: "user"|"system"|"assistant", content: "..."}]'
items:
type: object
properties:
role:
type: string
description: 'Message role: system, user, or assistant'
content:
type: string
description: Message content
required:
- role
- content
max_tokens:
type: number
description: Maximum tokens to generate (model-dependent default)
temperature:
type: number
description: Sampling temperature (0-2)
reasoning_effort:
type: string
description: low | medium | high — ask a reasoning-capable model to think harder. The chain-of-thought comes back in the tool result _meta ("com.aex402/reasoning").
required:
- messages
outputSchema:
type: object
description: OpenAI-compatible chat completion
properties:
id:
type: string
object:
type: string
description: always 'chat.completion'
created:
type: integer
description: unix seconds
model:
type: string
choices:
type: array
items:
type: object
properties:
message:
type: object
description: role + content
finish_reason:
type: string
usage:
type: object
description: prompt/completion/total tokens
required:
- choices
- name: solana_rpc
category: solana
description: 'Call ANY Solana-compatible JSON-RPC method by name — full RPC surface beyond the typed solana_* tools (getProgramAccounts, getBlock, getEpochInfo, simulateTransaction, ...). Defaults to Solana mainnet; pass network:slonana to query Slonana (rpc.slonana.com), which additionally exposes RPC methods no other network has: getAlpenglowHealth (consensus migration status), getBridgeStatus, getAexchanRelays, getValidatorStats, quote. (listSvmNetworks/enableSvmNetwork/disableSvmNetwork/setNetworkRpcUrl also exist but are inert API-compat stubs — listSvmNetworks always reports one hardcoded network and the enable/disable/set calls ignore their arguments and return true; verified in source, not live network-management controls.) For tools that exist ONLY on Slonana''s MCP server with no RPC-method equivalent (the aea_* agent registry), use mcp_call instead.'
inputSchema:
type: object
properties:
method:
type: string
description: Solana RPC method name, e.g. getEpochInfo
params:
type: array
description: Positional params array (method-specific). Omit for no params.
network:
type: string
description: solana (default/mainnet-beta) or slonana
default: solana
required:
- method
outputSchema: null
- name: mcp_call
category: workflow
description: 'Call a tool on another MCP server this RPC federates with, for tools that have no equivalent in solana_rpc/evm_rpc (no underlying JSON-RPC method — e.g. Slonana''s aea_list_services/aea_resolve agent registry). Known servers: slonana. Call that server''s tools/list first if you don''t know its tool names.'
inputSchema:
type: object
properties:
server:
type: string
description: 'Federated server name. One of: slonana'
tool:
type: string
description: Tool name on that server, e.g. aea_list_services. Omit both tool and arguments to list that server's tools instead.
arguments:
type: object
description: Arguments for the tool call, per that server's own schema.
required:
- server
outputSchema: null
- name: evm_rpc
category: evm
description: 'Call ANY EVM JSON-RPC method on a supported chain — eth_getBalance, eth_call, eth_blockNumber, eth_sendRawTransaction, eth_getLogs, ... Chains: robinhood (4663) / robinhood-testnet (46630), hyperevm (999), ethereum (1), base (8453), stable (988), plasma (9745), tempo (4217), codex (81224), arc (5042, Circle mainnet).'
inputSchema:
type: object
properties:
method:
type: string
description: EVM RPC method name, e.g. eth_getBalance
params:
type: array
description: Positional params array (method-specific). Omit for no params.
network:
type: string
description: 'Chain slug: robinhood (default; legacy mainnet alias accepted), robinhood-testnet, hyperevm, ethereum/eth, base, stable/tether, plasma, tempo, codex, or arc (Circle mainnet)'
default: robinhood
required:
- method
outputSchema: null
# --- truncated at 32 KB (59 KB total) ---
# Full source: https://artifacts.apis.io/aex402-com/openapi/aex402-com-rpc-aex402-com-api-openapi.yml