Xerxes

Endpoints (56 live)

• GET /v1/base/tx/:hash — Use when an agent needs to know whether a Base transaction landed. Returns pending, reverted, confirmed with confirmations, not_found, or unread. Decodes USDC Transfer logs. Proof-stamped with the head block. Missing value is null, not zero. (0.005 USDC on Base)
• GET /v1/base/balance/:addr — Base native or ERC-20 balance at the current head. GET /v1/base/balance/{addr} for ETH wei; add ?token=0x… for balanceOf at that token. Proof-stamped. No USD quote. Dead RPC is unread, not zero. (0.005 USDC on Base)
• GET /v1/base/wallet/:addr — Base wallet snapshot at head: native ETH balance, nonce, is_contract. Optional ERC-20 balanceOf via ?token=. One 402, parallel RPC. No USD quote. Dead RPC is unread, not zero. (0.01 USDC on Base)
• GET /v1/base/object/:addr — Use when an agent needs to know what a Base address is at a known block: EOA, ERC-20, Uniswap V2/V3 pool, bare contract, or unread. Returns a typed object plus blockNumber and blockHash. A token that is not a pool is a token. Dead RPC is unreadability, not zeros. (0.002 USDC on Base)
• GET /v1/base/gas — Base gas price, base fee and priority fee at head. Not an estimate of a specific call. Unread RPC is not zero. (0.003 USDC on Base)
• GET /v1/ventures/ethereum_contract_abi_service/erc721_ownerof — Returns the owner address of a specific ERC721 token by token ID. Input: contract address (string), tokenId (string). Output: owner address (string). Query: token (ERC-721 contract, 0x + 40 hex), id (token id, decimal). (0.003 USDC on Base)
• GET /v1/ventures/ethereum_contract_abi_service/erc721_tokensof — Returns an array of token IDs owned by a specific address for an ERC721 contract. Input: contract address (string), owner address (string). Output: array of token IDs (string[]). Query: token (ERC-721 contract (Enumerable), 0x + 40 hex), owner (0x + 40 hex). (0.008 USDC on Base)
• GET /v1/ventures/ethereum_contract_abi_service/rpc_read_eth_chainid — Returns the chain ID of the Ethereum network. No inputs. Output: chain ID as a hex string. (0.002 USDC on Base)
• POST /v1/ventures/llm_chat_api/llm_chat_llama3_1_8b — Llama-3.1-8B-Instruct chat completions: POST {messages: [{role, content}], max_tokens <= 1024}; returns assistant message, model, token usage. Messages up to 16,000 characters total. Returns: an OpenAI-style chat completion from the model the service is named for (DeepSeek-V3.2, Qwen3-32B or Llama-3.1-8B-Instruct): POST {messages: [{role, content}], max_tokens <= 1024}; returns the assistant message, the model, and its token usage. Messages up to 16,000 characters in total. (0.003 USDC on Base)
• GET /v1/ventures/ethereum_contract_abi_service/erc20_balance_allowance_bundle — Returns both the ERC-20 balanceOf and allowance for a given token, owner, and spender in one paid call. Returns: each named part service's own result, in one paid call, keyed by the part's name -- exactly what each part returns when bought alone; the call succeeds only when every part answers. It takes the union of the parts' query parameters. Query: address, owner, spender, token. (0.006 USDC on Base)
• GET /v1/ventures/token_verdict_api/token_verdict_base — AI-written token verdict on one token contract on Base: grade (BASED/MID/COOKED/RADIOACTIVE), a one-liner and a… Returns: an AI-written token verdict on one token contract: grade (BASED/MID/COOKED/RADIOACTIVE, a stated rule over the contract's own state), a one-liner and a roast, and the facts read: code size, name, symbol, decimals, supply, owner(), proxy slots. It does not read holders, liquidity or price and makes no safety or legitimacy call. Query: token (token contract, 0x + 40 hex). (0.018 USDC on Base)
• GET /v1/ventures/token_verdict_api/token_verdict — AI-written token verdict on one token contract: grade (BASED/MID/COOKED/RADIOACTIVE, a stated rule over the… Returns: an AI-written token verdict on one token contract: grade (BASED/MID/COOKED/RADIOACTIVE, a stated rule over the contract's own state), a one-liner and a roast, and the facts read: code size, name, symbol, decimals, supply, owner(), proxy slots. It does not read holders, liquidity or price and makes no safety or legitimacy call. Query: token (token contract, 0x + 40 hex). (0.015 USDC on Base)
• GET /v1/ventures/ethereum_contract_abi_service/erc20_total_supply — Returns the total supply of an ERC-20 token. Provide token (ERC-20 contract address). Query: token (ERC-20 contract, 0x + 40 hex). (0.003 USDC on Base)
• GET /v1/ventures/ethereum_contract_abi_service/erc20_balanceof — Returns the ERC-20 token balance of a given address for a specified token contract. Provide token (ERC-20 contract address) and address (holder address). Query: token (ERC-20 contract, 0x + 40 hex), address (holder, 0x + 40 hex). (0.003 USDC on Base)
• GET /v1/ventures/ethereum_contract_abi_service/erc20_allowance — Returns the amount of ERC-20 tokens that a spender is allowed to withdraw from an owner's account. Provide token (ERC-20 contract address), owner (owner address), and spender (spender address). Query: token (ERC-20 contract, 0x + 40 hex), owner (0x + 40 hex), spender (0x + 40 hex). (0.003 USDC on Base)
• POST /v1/ventures/llm_chat_api/deepseek_v3_2 — OpenAI-style chat completion from DeepSeek-V3.2 model. POST {messages: [{role, content}], max_tokens <= 1024}; returns the assistant message, the model, and its token usage. Returns: an OpenAI-style chat completion from the model the service is named for (DeepSeek-V3.2, Qwen3-32B or Llama-3.1-8B-Instruct): POST {messages: [{role, content}], max_tokens <= 1024}; returns the assistant message, the model, and its token usage. Messages up to 16,000 characters in total. (0.003 USDC on Base)
• GET /v1/ventures/ethereum_contract_abi_service/wallet_approval_audit — Returns the ABI of a verified Ethereum smart contract as JSON, for use in wallet approval auditing. Takes a contract address (0x + 40 hex). Query: address (contract, 0x + 40 hex). (0.003 USDC on Base)
• GET /v1/ventures/ethereum_contract_abi_service/token_verdict_base — AI-written token verdict on one token contract on Base: grade (BASED/MID/COOKED/RADIOACTIVE), a one-liner and a… Returns: an AI-written token verdict on one token contract: grade (BASED/MID/COOKED/RADIOACTIVE, a stated rule over the contract's own state), a one-liner and a roast, and the facts read: code size, name, symbol, decimals, supply, owner(), proxy slots. It does not read holders, liquidity or price and makes no safety or legitimacy call. Query: token (token contract, 0x + 40 hex). (0.01 USDC on Base)
• GET /v1/ventures/ethereum_contract_abi_service/token_verdict — Returns a grade (BASED/MID/COOKED/RADIOACTIVE) based on the contract's own state: code size, name, symbol, decimals… Returns: an AI-written token verdict on one token contract: grade (BASED/MID/COOKED/RADIOACTIVE, a stated rule over the contract's own state), a one-liner and a roast, and the facts read: code size, name, symbol, decimals, supply, owner(), proxy slots. It does not read holders, liquidity or price and makes no safety or legitimacy call. Query: token (token contract, 0x + 40 hex). (0.01 USDC on Base)
• GET /v1/ventures/ethereum_contract_abi_service/rpc_read_eth_gettransactionreceipt — Returns the transaction receipt for a given transaction hash. Input: hash (transaction hash, 0x + 64 hex). Output: transaction receipt object. Query: hash (transaction hash, 0x + 64 hex). (0.005 USDC on Base)

+36 more endpoints.