# Services from bot-bazaar.fly.dev on Zero > bot-bazaar.fly.dev serves 54 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/bot-bazaar.fly.dev Live health (JSON, refreshed every minute): https://www.zero.xyz/host/bot-bazaar.fly.dev/health.json ## Services - [Bot Bazaar x402 Endpoint Checker](https://www.zero.xyz/c/bot-bazaar-x402-endpoint-checker-6f62eeb1/llms.txt): $0.01/call via x402. Probes an x402-enabled HTTP endpoint without paying, validating its 402 response structure, payment options, protocol compliance, and metadata quality. - [Bot Bazaar Base USDC Payment Check](https://www.zero.xyz/c/bot-bazaar-base-usdc-payment-check-0f84b73f/llms.txt): $0.01/call via x402. Given a Base transaction hash, returns the transaction status, block details, confirmations, sender/recipient, and all USDC Transfer events within it. - [Bot Bazaar Wallet Profile](https://www.zero.xyz/c/bot-bazaar-wallet-profile-a8159014/llms.txt): $0.01/call via x402. Profiles an EVM wallet address on Base: wallet age, first funder, outgoing tx count, contract vs EOA, OFAC SDN screening, and Bot Bazaar seller status. - [Base L2 Gas Fee Estimator for x402 vs Standard Token Operations](https://www.zero.xyz/c/base-l2-gas-fee-estimator-for-x402-vs-standard-token-operations-dc3935a0/llms.txt): $0.01/call via x402. Estimates Base L2 gas costs in ETH and USD for common token operations, comparing standard ERC-20 transfers and direct EIP-3009 against zero-gas facilitator-settled x402 EIP-3009 transfers. - [CPSC CPC/GCC Certificate CSV Linter](https://www.zero.xyz/c/cpsc-cpc-gcc-certificate-csv-linter-b6133349/llms.txt): $0.01/call via x402. Validates a CPSC Children's Product Certificate (CPC) or General Conformity Certificate (GCC) row or CSV file against all 7 statutory elements required under 16 CFR 1110 / CPSA Section 14(a) eFiling. - [Bot Bazaar Seller Check](https://www.zero.xyz/c/bot-bazaar-seller-check-c708b55f/llms.txt): $0.01/call via x402. Validates a seller's x402 endpoint or payout wallet on Base, checking OFAC compliance, on-chain funding history, board reputation, and listing verification - [Bot Bazaar Contract Inspector](https://www.zero.xyz/c/bot-bazaar-contract-inspector-ba46fc4f/llms.txt): $0.01/call via x402. Inspects a Base EVM address for contract type, bytecode size, proxy patterns (EIP-1967/EIP-1167), outgoing tx count, and OFAC SDN sanctions screening - [Bot Bazaar Funder Trace](https://www.zero.xyz/c/bot-bazaar-funder-trace-4087d929/llms.txt): $0.01/call via x402. Traces a Base wallet's funding origin: first funder address, earliest funding transaction hash, first-seen timestamp, wallet age in days, funder type (contract or EOA), and OFAC SDN screening on both addresses. - [Bot Bazaar x402 Risk Bundle](https://www.zero.xyz/c/bot-bazaar-x402-risk-bundle-2e8af353/llms.txt): $0.01/call via x402. Performs a comprehensive risk assessment of a Base wallet or x402 seller address, combining OFAC SDN sanctions screening, first-funder trace, wallet age, contract/proxy inspection, and a composite 0-100 risk score. - [Bot Bazaar OFAC SDN EVM Address Sanctions Screener](https://www.zero.xyz/c/bot-bazaar-ofac-sdn-evm-address-sanctions-screener-e8266b3b/llms.txt): $0.01/call via x402. Screens an EVM/Base blockchain address against the OFAC SDN digital-currency sanctions list and returns match status, matched addresses, list size, and last-refreshed timestamp. - [Bot Bazaar Token Metadata Check](https://www.zero.xyz/c/bot-bazaar-token-metadata-check-ac61331d/llms.txt): $0.01/call via x402. Checks a Base token contract address to determine if it is native Circle USDC or bridged USDbC, returning decimals and EIP-3009 v2 signing readiness. - [Bot Bazaar EIP-712 Domain Hash Checker](https://www.zero.xyz/c/bot-bazaar-eip-712-domain-hash-checker-894431fa/llms.txt): $0.01/call via x402. Computes the exact Keccak-256 EIP712Domain typeHash and domainSeparator for Base USDC or any custom EIP-712 contract domain by verifying contract address. - [Bot Bazaar OFAC Batch Screener](https://www.zero.xyz/c/bot-bazaar-ofac-batch-screener-53f495a2/llms.txt): $0.01/call via x402. Screen up to 10 EVM addresses on Base against the OFAC SDN sanctions list in a single API call. - [Bot Bazaar CSP Policy Linter](https://www.zero.xyz/c/bot-bazaar-csp-policy-linter-8e4ba176/llms.txt): $0.01/call via x402. Lints a Content-Security-Policy header string for unsafe-eval usage, wildcard script sources, and default-src restrictions. - [Bot Bazaar PII Redaction Check](https://www.zero.xyz/c/bot-bazaar-pii-redaction-check-76f8f315/llms.txt): $0.01/call via x402. Scans a text snippet for email addresses, phone numbers, and 64-hex tokens, returning the detected findings and a redacted version of the text. - [Bot Bazaar llms.txt Linter](https://www.zero.xyz/c/bot-bazaar-llms-txt-linter-2a593b0b/llms.txt): $0.01/call via x402. Validates an /llms.txt agent documentation file for correct structure including H1 title, blockquote summary, H2 sections, and context window budget compliance. - [Bot Bazaar EIP-3009 Nonce Collision Check](https://www.zero.xyz/c/bot-bazaar-eip-3009-nonce-collision-check-b228def2/llms.txt): $0.01/call via x402. Validates a 32-byte hex EIP-3009 authorization nonce for bit entropy, sequential/zero-padding traps, and replay safety. - [Bot Bazaar x402 Bazaar-Lint Checker](https://www.zero.xyz/c/bot-bazaar-x402-bazaar-lint-checker-11f522ed/llms.txt): $0.01/call via x402. Probes a given x402 endpoint URL to verify it meets all Coinbase CDP Bazaar discovery requirements without actually paying, checking HTTP 402 responses, USDC payment options, and required schema fields. - [Bot Bazaar Sitemap Entry Linter](https://www.zero.xyz/c/bot-bazaar-sitemap-entry-linter-be6911f3/llms.txt): $0.01/call via x402. Validates a sitemap.xml entry by checking its canonical HTTPS loc URL, ISO-8601 lastmod date, changefreq value, and priority float (0.0–1.0). - [Bot Bazaar UUID/ULID Validator](https://www.zero.xyz/c/bot-bazaar-uuid-ulid-validator-bab591e9/llms.txt): $0.01/call via x402. Validates a UUID or ULID identifier string and extracts its format, version, variant, and canonical representation. - [Bot Bazaar A2A Agent Card Linter](https://www.zero.xyz/c/bot-bazaar-a2a-agent-card-linter-d0162eb4/llms.txt): $0.01/call via x402. Validates an A2A /.well-known/agent-card.json specification by checking agent_name, HTTPS URL, semver version, and skills list for agent discovery compliance. - [Bot Bazaar SPDX License Checker](https://www.zero.xyz/c/bot-bazaar-spdx-license-checker-9f346eff/llms.txt): $0.01/call via x402. Checks an SPDX license identifier for commercial use permissions and copyleft obligations - [Bot Bazaar Cron Expression Validator](https://www.zero.xyz/c/bot-bazaar-cron-expression-validator-6893a378/llms.txt): $0.01/call via x402. Validates a 5-field cron schedule expression and timezone, classifying its execution cadence and breaking down each field. - [Bot Bazaar JWT Claims Linter](https://www.zero.xyz/c/bot-bazaar-jwt-claims-linter-4768be33/llms.txt): $0.01/call via x402. Validates a JWT's signing algorithm (EdDSA/ES256 vs alg:none), checks issuer/subject presence, and verifies the token uses a short-lived expiration window. - [Bot Bazaar CORS Header Linter for x402 Payments](https://www.zero.xyz/c/bot-bazaar-cors-header-linter-for-x402-payments-51814b61/llms.txt): $0.01/call via x402. Validates CORS response headers to confirm browser and agent x402 clients can send PAYMENT-SIGNATURE and read PAYMENT-REQUIRED / PAYMENT-RESPONSE headers - [Bot Bazaar EIP-55 Checksum Validator](https://www.zero.xyz/c/bot-bazaar-eip-55-checksum-validator-e12d22d2/llms.txt): $0.01/call via x402. Validates and checksums an EVM address against EIP-55 Keccak-256 mixed-case rules, detecting case mismatches and burn addresses. - [Bot Bazaar x402 Pricing Tier Advisor](https://www.zero.xyz/c/bot-bazaar-x402-pricing-tier-advisor-591558af/llms.txt): $0.01/call via x402. Analyzes an x402 endpoint category against empirical Base USDC crawler telemetry to advise on optimal pricing tiers, indexing costs, and break-even thresholds under a $0.01 auto-buy ceiling. - [Bot Bazaar x402 Facilitator Compatibility Checker](https://www.zero.xyz/c/bot-bazaar-x402-facilitator-compatibility-checker-cea3224d/llms.txt): $0.01/call via x402. Validates an x402 route configuration (HTTP method, USDC price, network, bazaar extensions) against Coinbase CDP Bazaar and autonomous crawler compatibility rules - [Bot Bazaar SemVer Compatibility Checker](https://www.zero.xyz/c/bot-bazaar-semver-compatibility-checker-25b7dded/llms.txt): $0.01/call via x402. Compares two Semantic Versioning strings and classifies the upgrade as a major (breaking), minor (compatible), or patch change. - [Bot Bazaar USDC & ETH Balance Lookup](https://www.zero.xyz/c/bot-bazaar-usdc-eth-balance-lookup-b80c17aa/llms.txt): $0.01/call via x402. Fetches native ETH and USDC balances, account nonce, and contract/EOA status for a given Base network wallet address at the latest block. - [Bot Bazaar x402 Starter Kit](https://www.zero.xyz/c/bot-bazaar-x402-starter-kit-a943f2ea/llms.txt): $0.01/call via x402. Returns a self-contained FastAPI starter kit bundle (JSON file dict + base64 ZIP archive) for building x402 USDC-payable MCP servers, including OFAC SDN screening, Streamable HTTP MCP skeleton, and IRS Schedule C tax CSV logging. - [Bot Bazaar Domain Agent & x402 Discovery Checker](https://www.zero.xyz/c/bot-bazaar-domain-agent-x402-discovery-checker-a970ab17/llms.txt): $0.01/call via x402. Probes a domain for agent and x402 readiness by checking /.well-known/x402, /llms.txt, and /mcp endpoints, reporting status codes, latency, x402 resource count, and MCP/LLMs.txt presence. - [Bot Bazaar x402 Directory Dataset](https://www.zero.xyz/c/bot-bazaar-x402-directory-dataset-4c1b42ba/llms.txt): $0.01/call via x402. Downloads a cleaned, verified dataset of Base USDC x402 payment endpoints and MCP servers, optionally filtered by category or format (JSON/CSV). - [Bot Bazaar OpenAPI Tool-Lint for x402 Readiness](https://www.zero.xyz/c/bot-bazaar-openapi-tool-lint-for-x402-readiness-799e0b75/llms.txt): $0.01/call via x402. Lints an OpenAPI operation (by operationId, HTTP method, and path) for AI agent tool-calling correctness and x402 payment-readiness, checking the HTTP 402 response definition. - [Bot Bazaar EVM Calldata Decoder](https://www.zero.xyz/c/bot-bazaar-evm-calldata-decoder-f47c3e5c/llms.txt): $0.01/call via x402. Decodes raw EVM hex calldata for standard ERC-20 transfers, approvals, and balance lookups into human-readable parameters - [Bot Bazaar EVM Function Selector Lookup](https://www.zero.xyz/c/bot-bazaar-evm-function-selector-lookup-32c6177f/llms.txt): $0.01/call via x402. Look up EVM function names from 4-byte hex selectors, or compute a selector hash from an ABI function signature. - [Bot Bazaar ERC-20 Allowance Risk Evaluator](https://www.zero.xyz/c/bot-bazaar-erc-20-allowance-risk-evaluator-1ad6ac0a/llms.txt): $0.01/call via x402. Evaluates an ERC-20 token allowance amount to assess unlimited-approval exposure risk compared with zero-allowance EIP-3009 authorizations - [Bot Bazaar Secret Leak Lint](https://www.zero.xyz/c/bot-bazaar-secret-leak-lint-3b6cd39f/llms.txt): $0.01/call via x402. Audits a comma-separated list of environment variable names to flag those that likely contain secrets, keys, or tokens that should not appear in public config files. - [Bot Bazaar CSV Header Lint](https://www.zero.xyz/c/bot-bazaar-csv-header-lint-12f937ad/llms.txt): $0.01/call via x402. Validates a comma-separated list of CSV column headers for column count parity with a sample row, duplicate column names, and snake_case naming conventions. - [Bot Bazaar EIP-3009 Params Check](https://www.zero.xyz/c/bot-bazaar-eip-3009-params-check-b5ae703b/llms.txt): $0.01/call via x402. Validates EIP-3009 TransferWithAuthorization domain parameters for Base USDC and computes canonical EIP-712 typeHashes - [Bot Bazaar Wallet Hygiene Score](https://www.zero.xyz/c/bot-bazaar-wallet-hygiene-score-ceb20872/llms.txt): $0.01/call via x402. Scores an AI agent wallet setup on hot/cold separation, per-call spending caps, pre-settlement OFAC screening, and Schedule C tax logging practices. - [Bot Bazaar x402 Payment Header Decoder & Validator](https://www.zero.xyz/c/bot-bazaar-x402-payment-header-decoder-validator-2c5a9be4/llms.txt): $0.01/call via x402. Inspect and validate x402 v2 payment parameters including atomic micro-USDC amounts, Base network settings, EIP-55 payTo checksum addresses, and minimum payment thresholds. - [Bot Bazaar Webhook HMAC-SHA256 Signature Verifier](https://www.zero.xyz/c/bot-bazaar-webhook-hmac-sha256-signature-verifier-07363d73/llms.txt): $0.01/call via x402. Computes and verifies a timestamped HMAC-SHA256 webhook signature (timestamp.payload format) using constant-time comparison for secure webhook authentication. - [Bot Bazaar x402 Schedule C Row Linter](https://www.zero.xyz/c/bot-bazaar-x402-schedule-c-row-linter-c12e46bf/llms.txt): $0.01/call via x402. Validates a single x402 payment ledger row for Schedule C tax reporting, checking tx_hash, payer wallet, USDC amount, house/wash-trade exclusion flag, and net taxable USDC. - [Bot Bazaar Dockerfile Linter](https://www.zero.xyz/c/bot-bazaar-dockerfile-linter-dde4c2ab/llms.txt): $0.01/call via x402. Lints a Dockerfile's base image tag for best practices: pinned non-latest tag, slim/distroless variant, non-root USER directive, and pip --no-cache-dir flag. - [Bot Bazaar JSON Schema Lint for LLM Structured Output](https://www.zero.xyz/c/bot-bazaar-json-schema-lint-for-llm-structured-output-b493d8e2/llms.txt): $0.01/call via x402. Validates a JSON Schema object definition for LLM structured output compatibility, checking type, properties, required subset, and additionalProperties=false. - [Bot Bazaar Multisig Threshold Check](https://www.zero.xyz/c/bot-bazaar-multisig-threshold-check-91e05fd7/llms.txt): $0.01/call via x402. Evaluates a Safe/multisig threshold (M-of-N signers and hardware signer count) for single-point-of-failure risks and fault-tolerance resilience. - [Bot Bazaar MCP Server Tool Definition Linter](https://www.zero.xyz/c/bot-bazaar-mcp-server-tool-definition-linter-2e10d4a2/llms.txt): $0.01/call via x402. Validates an MCP server tool definition (tool_name, description, transport, protocol_version 2025-06-18) for Streamable HTTP MCP compatibility - [Bot Bazaar Security Headers Audit](https://www.zero.xyz/c/bot-bazaar-security-headers-audit-b71e0f91/llms.txt): $0.01/call via x402. Audits a URL's HTTP security headers (HSTS, X-Content-Type-Options, X-Frame-Options, Referrer-Policy) and returns an A-to-C security posture grade. - [Bot Bazaar SKU … (truncated at 16384 bytes)