Prix live de 11 dealers et specs complètes de 80+ pièces d'or et d'argent, pour agents IA.
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Side-by-side comparison of two coins — machine mirror of the /comparer page: full specs (weight, purity, diameter, thickness, first mint year, design, mintage, face value), investment data (liquidity, French VAT, estimated premium) and best live dealer price for each.
First coin slug.
Second coin slug.
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Side-by-side comparison of two coins — machine mirror of the /comparer page: full specs (weight, purity, diameter, thickness, first mint year, design, mintage, face value), investment data (liquidity, French VAT, estimated premium) and best live dealer price for each.
| Argument | Type | Description |
|---|---|---|
| coin_a* | string | First coin slug. |
| coin_b* | string | Second coin slug. |
{
"type": "object",
"required": [
"coin_a",
"coin_b"
],
"properties": {
"coin_a": {
"type": "string",
"description": "First coin slug."
},
"coin_b": {
"type": "string",
"description": "Second coin slug."
}
}
}List all 11 tracked dealers ranked by price for a coin, best first, with in-stock status (✅/❌) for each. Accepts a coin slug or name (ex: krugerrand-1oz-or, souverain, napoleon). Prices refreshed daily directly from each dealer's website.
| Argument | Type | Description |
|---|---|---|
| coin* | string | Coin slug or name. |
{
"type": "object",
"required": [
"coin"
],
"properties": {
"coin": {
"type": "string",
"description": "Coin slug or name."
}
}
}Best dealer price for a coin among 11 French and European dealers (Or.fr, Godot, Pièces-Or, Gold.fr, Joubert, Or & Change, GoldUnion, GoldAvenue, BDOR, GoldSilver.be, StoneX). Returns the ranked list of all dealer prices with in-stock status, plus the coin's weight, purity and country. Data refreshed daily directly from dealers. Accepts a coin slug or name (ex: krugerrand-1oz-or, maple-leaf-1oz-or, napoleon).
| Argument | Type | Description |
|---|---|---|
| coin* | string | Coin slug or name. Ex: krugerrand-1oz-or, maple-leaf-1oz-or |
{
"type": "object",
"required": [
"coin"
],
"properties": {
"coin": {
"type": "string",
"description": "Coin slug or name. Ex: krugerrand-1oz-or, maple-leaf-1oz-or"
}
}
}Full data sheet for a gold or silver investment coin: weight, purity, diameter, thickness, first mint year, design type and design changes over time, mintage, face value, liquidity score, French VAT rate, estimated premium vs spot, and unique highlights.
| Argument | Type | Description |
|---|---|---|
| coin* | string | Coin slug or name. Ex: krugerrand, maple-leaf, napoleon. |
{
"type": "object",
"required": [
"coin"
],
"properties": {
"coin": {
"type": "string",
"description": "Coin slug or name. Ex: krugerrand, maple-leaf, napoleon."
}
}
}List the 11 tracked bullion dealers (name and city): 8 French (Or.fr, Godot & Fils, Pièces-Or, Gold.fr, Maison Joubert, Or & Change, GoldUnion, GoldAvenue, BDOR) and 2 European (GoldSilver.be Brussels, StoneX Bullion Frankfurt). Optional city or name filter.
| Argument | Type | Description |
|---|---|---|
| city | string | French city name to filter. |
{
"type": "object",
"properties": {
"city": {
"type": "string",
"description": "French city name to filter."
}
}
}Search the catalog of 80+ gold and silver investment coins by name, country or keyword, with optional metal filter (gold/silver). Returns a table of matching coins: slug, name, country, metal, weight in ounces. Accepts partial matches (ex: 'maple', 'france', 'libertad').
| Argument | Type | Description |
|---|---|---|
| metal | string | Filter by metal. |
| query* | string | Search term. |
{
"type": "object",
"required": [
"query"
],
"properties": {
"metal": {
"enum": [
"gold",
"silver"
],
"type": "string",
"description": "Filter by metal."
},
"query": {
"type": "string",
"description": "Search term."
}
}
}