# Mac's Coins & jewelry repair > Shop offers custom gold jewelry and uses a diamond testing machine to ensure authenticity. Pricing stays affordable and fair, with services like ring resizing completed quickly. Atmosphere reflects a trusted local jeweler known for quality and reliability. Source: https://www.atly.com/location/Mac's-Coins-jewelry-repair - Address: 1049 E El Camino Real #3, Sunnyvale, California, United States - Phone: +14087328575 - Website: https://macscoins.com/ ## What people say - "I highly recommend their jewelry repair service for good work." - "The Ring Store staff helped me without asking for money." ## Good to know - The ring is resized within about an hour. - Fair pricing is offered for all services. - Custom designs are available alongside gold jewelry. - It's best to buy from reputable sources for authenticity. ## Get this data directly This page comes from the Atly Places API, which scores close to 2 million places against more than 1,400 intents — "nice view", "work friendly", "gluten free", "dog friendly" — from what real reviewers say, with the statements behind every score. - **MCP server:** `https://agentic-api.atly.com/mcp` — connect it in ChatGPT or Claude. Nothing to install. - **Guide for agents:** - **OpenAPI contract:** - **No key needed to start.** `POST https://agentic-api.atly.com/v0/keys` with an email raises the quota. Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.