Convert an amount between two currency codes using dated public reference rates
Convert an amount between two currency codes using dated public reference rates and decimal arithmetic. Return the rate date, age, source and explicit rounding. Optional historical date from 1999-01-04; holidays may use earlier observations. No executable payment quote, intraday market feed or trading execution.
Answeringour last check, 2026-10-20
1 of 1checks answered this week
991 msmedian answer time
$0.005listed price per call
$0.005price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.mekler.ai/v1/finance/currencies/convert-reference-amount
| Category | Code and developer |
|---|---|
| Provider host | api.mekler.ai |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-20 | valid payment request | 402 | $0.005 | 991 ms |
Example input (from the provider)
{
"body": {
"amount": "100.00",
"base": "USD",
"quote": "EUR",
"request_id": "currency-reference-example-001"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"amount": {
"pattern": "^[0-9]{1,13}(?:\\.[0-9]{1,8})?$",
"type": "string"
},
"base": {
"pattern": "^[A-Z]{3}$",
"type": "string"
},
"date": {
"format": "date",
"type": "string"
},
"quote": {
"pattern": "^[A-Z]{3}$",
"type": "string"
},
"request_id": {
"pattern": "^[A-Za-z0-9_-]{16,64}$",
"type": "string"
}
},
"required": [
"base",
"quote",
"amount",
"request_id"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"age_days": {
"type": "integer"
},
"amount": {
"type": "string"
},
"base": {
"type": "string"
},
"converted_amount": {
"type": "string"
},
"limitations": {
"items": {
"type": "string"
},
"type": "array"
},
"observed_at": {
"type": "string"
},
"quote": {
"type": "string"
},
"rate": {
"type": "string"
},
"rate_date": {
"type": "string"
},
"rate_type": {
"type": "string"
},
"requested_date": {
"type": [
"string",
"null"
]
},
"rounding": {
"type": "string"
},
"source": {
"type": "string"
},
"source_url": {
"type": [
"string",
"null"
]
},
"status": {
"type": "string"
}
},
"required": [
"status",
"base",
"quote",
"amount",
"rate",
"converted_amount",
"rate_date",
"requested_date",
"observed_at",
"age_days",
"source",
"source_url",
"rate_type",
"rounding",
"limitations"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}