Jewelry Maker Calc
jewelry-calc.x402tookit.com · 8 paid endpoints · listed 2026-11-02
Convert a ring size between US, EU (ISO circumference), UK letter, inside diameter and circumference in mm and inches.
Paid endpoints
| Method | Endpoint | Price | Networks |
|---|---|---|---|
| GET | jewelry-calc.x402tookit.com/bead-count Number of beads for a strand of a given finished length from bead size and spacing, with finished length and total weight. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | jewelry-calc.x402tookit.com/bracelet-size Bracelet or anklet length from wrist or ankle circumference and fit (snug, standard, comfortable, loose), with clasp allowance. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | jewelry-calc.x402tookit.com/diamond-weight Estimate a diamond's carats from millimetre size and shape, or the diameter of a round stone for a given carat weight. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | jewelry-calc.x402tookit.com/karat-alloy Gold karat to fineness and percent, and the alloy to add to fine gold to reach a target karat, or the karat of a mix. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | jewelry-calc.x402tookit.com/melt-value Melt value of gold, silver or platinum jewelry from weight, karat or fineness and the spot price per troy ounce you supply. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | jewelry-calc.x402tookit.com/metal-weight Casting weight in grams, pennyweight and troy ounces from volume or wax model weight, for gold, silver, platinum and more. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | jewelry-calc.x402tookit.com/necklace-length Name a necklace length (choker, princess, matinee, opera, rope) and where it sits, or suggest a length from neck size. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | jewelry-calc.x402tookit.com/ring-size Convert a ring size between US, EU (ISO circumference), UK letter, inside diameter and circumference in mm and inches. | $0.02 | Polygon, Arbitrum, Base, Solana |
Latest checks
| When | Endpoint | HTTP | ms | Result |
|---|---|---|---|---|
| Not checked yet. | ||||
Income on Base (7 days)
This provider's payout address is shared by several providers, so its income is not shown as its own.
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x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/jewelry-calc.x402tookit.com