# Services from oraclepost.higgsfield.app on Zero > oraclepost.higgsfield.app serves 22 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero. Canonical page: https://www.zero.xyz/host/oraclepost.higgsfield.app Live health (JSON, refreshed every minute): https://www.zero.xyz/host/oraclepost.higgsfield.app/health.json ## Services - [Addresscheck — Base Address Verification](https://www.zero.xyz/c/addresscheck-base-address-verification-9f49b56a/llms.txt): $0.001/call via x402. Checks whether an Ethereum Base network address is a contract or EOA wallet, and returns its activity status including ETH/USDC balance and transaction count at the latest block. - [Balancepost — Wallet Balance on Base](https://www.zero.xyz/c/balancepost-wallet-balance-on-base-0c16001b/llms.txt): $0.001/call via x402. Returns live ETH and USDC balances for any Base address, read directly from the chain with no caching or third-party APIs. - [Blockmeter — network](https://www.zero.xyz/c/blockmeter-network-c80f9b9b/llms.txt): $0.02/call via x402. Returns live Base network gas conditions including gas price, base fee, priority fee, latest block number, and timestamp — read directly from a public node with no cache or third-party intermediary. - [Blockpost — block](https://www.zero.xyz/c/blockpost-block-a7590838/llms.txt): $0.001/call via x402. Fetches live Base blockchain block data (timestamp, transaction count, base fee, gas used/limit, miner) for a specific block number or the latest block, directly from the chain with no cache. - [Blockvault — Base Block Reader](https://www.zero.xyz/c/blockvault-base-block-reader-501f947c/llms.txt): $0.02/call via x402. Fetches live on-chain data for a specific Base block (or the latest) including timestamp, transaction count, base fee, gas used/limit, and miner address. - [Convertpost — Crypto to USD Converter via Chainlink Oracle](https://www.zero.xyz/c/convertpost-crypto-to-usd-converter-via-chainlink-oracle-cba4e428/llms.txt): $0.001/call via x402. Converts a specified amount of a supported crypto asset (ETH, BTC, SOL, LINK, CBETH, AERO, EUR) to USD using the live Chainlink price oracle on Base. - [Fxvault — convert](https://www.zero.xyz/c/fxvault-convert-1bbfee87/llms.txt): $0.02/call via x402. Converts a specified amount of a crypto or fiat asset to USD using the live Chainlink oracle price feed on Base network. - [Gaspost — Base Network Gas Conditions](https://www.zero.xyz/c/gaspost-base-network-gas-conditions-beca9cc9/llms.txt): $0.001/call via x402. Returns live gas conditions on the Base blockchain including gas price, base fee, suggested priority fee, latest block number, and block timestamp — read directly from a public node with no caching. - [Ledgerpost — USDC Transfer History](https://www.zero.xyz/c/ledgerpost-usdc-transfer-history-cf690378/llms.txt): $0.001/call via x402. Returns the most recent USDC Transfer events (in and out) for any Base address, read live from on-chain event logs over the last ~600 blocks (~20 minutes). - [Oraclepost — Live Chainlink Price Feed](https://www.zero.xyz/c/oraclepost-live-chainlink-price-feed-dfdeb1f2/llms.txt): $0.001/call via x402. Returns the live Chainlink oracle price, round ID, last update timestamp, and feed address for a specified crypto or forex pair on Base mainnet. - [Quotevault — Live Chainlink Price Feed](https://www.zero.xyz/c/quotevault-live-chainlink-price-feed-ec2a7c1b/llms.txt): $0.02/call via x402. Returns a live Chainlink oracle price (price, round ID, last update timestamp, feed address) for a specified crypto or forex pair on Base, read directly from the on-chain contract at request time. - [Receiptvault — Transaction Status on Base](https://www.zero.xyz/c/receiptvault-transaction-status-on-base-6187036e/llms.txt): $0.02/call via x402. Fetches live transaction status from the Base blockchain by hash, returning success/failure, block number, gas used, effective gas price, sender, and recipient. - [Tokenpost — ERC-20 Token Metadata](https://www.zero.xyz/c/tokenpost-erc-20-token-metadata-11b7703d/llms.txt): $0.001/call via x402. Returns live ERC-20 token metadata (name, symbol, decimals, total supply) from a Base contract address via direct eth_call, no cache. - [Tokenvault — ERC-20 Token Metadata on Base](https://www.zero.xyz/c/tokenvault-erc-20-token-metadata-on-base-373fc15f/llms.txt): $0.02/call via x402. Returns live ERC-20 token metadata (name, symbol, decimals, total supply) from a contract on Base by making direct eth_call reads with no cache or third-party API. - [Transferlog — USDC Transfer History on Base](https://www.zero.xyz/c/transferlog-usdc-transfer-history-on-base-58aeab1b/llms.txt): $0.02/call via x402. Fetches recent USDC Transfer event logs (last ~600 blocks, ~20 min) for any Base address, returning up to 50 inbound and outbound transfer records read live from the chain. - [Txpost — Transaction Status on Base](https://www.zero.xyz/c/txpost-transaction-status-on-base-77b1617a/llms.txt): $0.001/call via x402. Looks up live transaction status on the Base blockchain by hash, returning success/failure, block number, gas used, effective gas price, from, and to addresses. - [Verifypost — Base Address Verification](https://www.zero.xyz/c/verifypost-base-address-verification-90b80de8/llms.txt): $0.02/call via x402. Checks whether a Base blockchain address is a contract or EOA wallet, and returns its activity status (code size, nonce, ETH balance, USDC balance) at the latest block. - [Walletglass — wallet](https://www.zero.xyz/c/walletglass-wallet-b2c34535/llms.txt): $0.02/call via x402. Returns live ETH and USDC balances for any Base address, read directly from the chain via eth_getBalance and USDC balanceOf, with raw and decimal values plus the block number. - [Clockvault — time](https://www.zero.xyz/c/clockvault-time-9fb8d372/llms.txt): $0.02/call via x402. Returns the latest Base blockchain block number and timestamp, plus the node's current wall-clock time and the lag between chain time and node time. - [Driftpost — Chainlink Momentum Signal](https://www.zero.xyz/c/driftpost-chainlink-momentum-signal-d7bb3a83/llms.txt): $0.02/call via x402. Returns a simple price momentum signal (up/down/flat) for a trading pair by comparing the current Chainlink oracle price on Base to the price 24 oracle rounds earlier, including percent change. - [Signalpost — signals](https://www.zero.xyz/c/signalpost-signals-08acb0f2/llms.txt): $0.001/call via x402. Returns a simple momentum signal for a crypto pair (e.g. ETH-USD) using Chainlink oracle data on Base: current price vs 24 rounds ago, percent change, and an up/down/flat label. - [Timepost — Base Chain Clock](https://www.zero.xyz/c/timepost-base-chain-clock-3d2f177d/llms.txt): $0.001/call via x402. Returns the latest Base block number and its timestamp, the node's current time, and the lag between chain time and node time — no parameters required. Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently. - [Zero catalog index](https://www.zero.xyz/llms.txt)