Balance a chemical equation with the smallest whole-number coefficients, with an
Balance a chemical equation with the smallest whole-number coefficients, with an atom-by-atom check and the mass balance for reactants and products
Answeringour last check, 2026-10-20
1 of 1checks answered this week
957 msmedian answer time
$0.01listed price per call
$0.01price 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
GET https://saylorinnovations.com/api/chem/balance-equation
| Category | Commerce and shopping |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:137, eip155:42161, 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 | $0.01 | 957 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"equation": "KMnO4 + HCl -> KCl + MnCl2 + H2O + Cl2"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"equation": {
"description": "Unbalanced equation with -> or =, e.g. C3H8 + O2 -> CO2 + H2O",
"type": "string"
}
},
"required": [
"equation"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"atom_balance": {
"description": "Atom balance",
"items": {
"properties": {
"element": {
"description": "Element checked",
"type": [
"string",
"null"
]
},
"left": {
"description": "Atoms on the reactant side",
"type": [
"number",
"null"
]
},
"right": {
"description": "Atoms on the product side",
"type": [
"number",
"null"
]
}
},
"type": "object"
},
"type": "array"
},
"balanced": {
"description": "Balanced equation with the smallest whole-number coefficients",
"type": "string"
},
"balanced_check": {
"description": "Balanced check",
"type": "boolean"
},
"coefficients": {
"description": "Coefficient for each species and whether it is a reactant or product",
"items": {
"properties": {
"coefficient": {
"description": "Balancing coefficient",
"type": [
"number",
"null"
]
},
"side": {
"description": "reactant or product",
"type": [
"string",
"null"
]
},
"species": {
"description": "Species"
}
},
"type": "object"
},
"type": "array"
},
"input": {
"description": "Equation as supplied",
"type": "string"
},
"mass_balance_g_per_mol": {
"description": "Mass balance g per mol",
"properties": {
"products": {
"description": "Total product mass",
"type": [
"number",
"null"
]
},
"reactants": {
"description": "Total reactant mass",
"type": [
"number",
"null"
]
}
},
"type": "object"
},
"note": {
"description": "Caveat or context for reading the result",
"type": "string"
},
"source": {
"description": "Data source the values come from",
"type": "string"
}
},
"required": [
"balanced",
"coefficients"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}