# APAC Reg Notes > Pay-per-call x402 API with bilingual (English / Chinese) metadata and editorial summaries of official APAC financial, fintech, AI and data-protection regulatory notices: HKMA and SFC (Hong Kong), Financial Supervisory Commission (Taiwan), Japan FSA, SEBI (India). Payment is USDC on Base (eip155:8453) via x402 v2, exact scheme. No account, no API key, no signup. Informational only, not legal advice; every record links to the official source. ## When to use - You need to know what HKMA / SFC / Taiwan FSC / JFSA / SEBI published recently (press releases, circulars, consultations, enforcement). - You need English titles for Taiwan FSC (Traditional Chinese) notices, or Simplified-Chinese summaries of English notices. - You are building a compliance, fintech, crypto/VASP, AI-governance or APAC market-monitoring agent. ## Paid endpoints (HTTP GET, answer 402 until paid) - [Headline](https://apac-regnotes.regnotes.workers.dev/v1/notices/headline): $0.005. No parameters required (optional jurisdiction=HK, TW, JP or IN). Most recent substantive notice with bilingual EN / zh-Hans title and summary. - [Latest notices](https://apac-regnotes.regnotes.workers.dev/v1/notices/latest?limit=5): $0.01. Params: jurisdiction=HK|TW|JP|IN, topic, limit (1-50). - [Search notices](https://apac-regnotes.regnotes.workers.dev/v1/notices/search?q=stablecoin): $0.02. Params: q (EN or ZH), jurisdiction, topic=ai|data_privacy|fintech|enforcement|consultation|aml, since=YYYY-MM-DD, limit. - [One notice](https://apac-regnotes.regnotes.workers.dev/v1/notice/hkma-20261023-4): $0.02. Record plus annotation when available. - [Annotated digest](https://apac-regnotes.regnotes.workers.dev/v1/notices/digest?min_impact=medium): $0.03. EN + zh-Hans summaries, impact level, sectors, entities. - [Weekly brief](https://apac-regnotes.regnotes.workers.dev/v1/brief/weekly): $0.05. Bilingual weekly APAC AI & fintech regulation brief. Param: week=YYYY-Www. ## How to pay 1. GET the endpoint and receive HTTP 402. The `PAYMENT-REQUIRED` header (base64 JSON) lists `accepts` (scheme exact, network eip155:8453, asset USDC 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913). 2. Sign an EIP-3009 transferWithAuthorization for the amount and retry with the `PAYMENT-SIGNATURE` header. Any x402 v2 client works (for example @x402/fetch, x402-axios, agentcash). 3. The facilitator settles on-chain; you pay no gas. ## Free endpoints - [OpenAPI](https://apac-regnotes.regnotes.workers.dev/openapi.json): full schemas, with `x-payment-info` per operation. - [Health](https://apac-regnotes.regnotes.workers.dev/health) - [x402 manifest](https://apac-regnotes.regnotes.workers.dev/.well-known/x402) - [MCP endpoint](https://apac-regnotes.regnotes.workers.dev/mcp): POST, MCP Streamable HTTP (JSON-RPC). Tools map to the paid endpoints and are paid via x402 `_meta["x402/payment"]`. - [A2A agent card](https://apac-regnotes.regnotes.workers.dev/.well-known/agent-card.json) ## Notes - Data is derived from public official feeds (HKMA Open API, SFC RSS, Taiwan FSC RSS, JFSA and SEBI public pages). Titles and links are metadata; follow `url` for the authoritative text. - All timestamps are UTC.