Cross-Foot a Decimal Matrix

accounting.cross_foot

ProductionBounded custom (Class B)Deterministicstrictinstantv1.0.0

No network

Overview

Perform a bounded exact-decimal cross foot and return totals, signed differences, and the equality decision. Input shapes are closed, order is stable, and no currency conversion, materiality threshold, posting, or accounting policy is inferred.

You receive exact decimal totals, signed differences, and the resolved tolerance so the control can be reproduced. This guidance applies specifically to accounting.cross_foot.

Reliability

Closed shapes and bounded exact-decimal accumulation fail before expensive work. DECIMAL_INVALID means a malformed or over-limit amount; correct it. CONTROL_INVALID means ids, dimensions, or debit-credit sides violate the closed control; correct the named row. CURRENCY_MISMATCH means rows use different currencies; convert or split them. TOLERANCE_INVALID means tolerance is negative or malformed; send a non-negative decimal. ITEM_LIMIT_EXCEEDED means a row or column bound was exceeded; split the request. This guidance applies specifically to accounting.cross_foot.

Context footprint

The compact receipt replaces manual cross-checking while retaining totals and differences. This guidance applies specifically to accounting.cross_foot. A successful call costs 1 execution credit.

When to use it

When every row sum and every column sum of a decimal matrix must agree.

When there is a single vector rather than a matrix, or you need a trial-balance proof.

Scope

Note

Perform a bounded exact-decimal cross foot and return totals, signed differences, and the equality decision

Non-goals

Does not infer materiality, currency conversion, posting, or accounting policy This guidance applies specifically to accounting.cross_foot.
Does not mutate a ledger, fetch files, or accept unbounded rows This guidance applies specifically to accounting.cross_foot.

Properties

IdempotentRetry safeStreaming supportedFile input supportedRequires external service

Capabilities

mathvalidation

Cost & billing

Flat rate per invocation

MetercallsBillable onsuccessCost per call1 credit

File handling

Accepts file_refProduces file_refMax input64 KB

How we handle your data

Sensitive input, safe output

What this means

This skill may receive sensitive content, but it does not target sensitive data and returns only a structured non-sensitive result.

Squillify guarantees

Runs inside Squillify
This skill runs inside Squillify.
Payloads are not sent to an external service by this skill.
Squillify does not permanently store submitted payloads.
Telemetry records metadata only, not submitted content.
Submitted payloads are not used for training.
Submitted payloads are not reviewed by humans.
This skill does not target sensitive data.
The response does not contain submitted content.

Your responsibility

Squillify does not determine whether submitted content is sensitive. Your application is responsible for deciding what data it is allowed to submit. Your application is responsible for securing the response.

Read the Microskill Data Handling Policy

Input schema

Field	Type	Required	Description
rows	array	Yes	From 1 through 10,000 closed {id, values, reportedTotal} rows of equal width.
tolerance	string	No	Optional absolute tolerance; omitted values resolve to zero.

Output schema

Field	Type	Required	Description
rowChecks	array	Yes	From 1 through 10,000 closed {id, calculatedTotal, reportedTotal, difference, withinTolerance} results in input order.
columnTotals	array	Yes	From 1 through 1,000 plain-decimal string totals in ascending column order.
grandTotal	string	Yes	Exact total of every matrix value.
withinTolerance	boolean	Yes	Whether every row difference is within tolerance.
tolerance	string	Yes	Resolved absolute tolerance.
rowCount	integer	Yes	Number of matrix rows.
columnCount	integer	Yes	Common matrix width.

API contract

POST /v1/execute

curl

curl -sS -X POST "$BASE/v1/execute" -H "Authorization: Bearer $KEY" -H 'Content-Type: application/json' -d '{"skillKey":"accounting.cross_foot","input":{"rows":[{"id":"north","values":["10","20"],"reportedTotal":"30"},{"id":"south","values":["5","15"],"reportedTotal":"20"}]}}'

Integrations

TypeScript SDK

import { Squillify } from "@squillify/sdk";

const sq = new Squillify({ apiKey: process.env.SQUILLIFY_API_KEY });

const { output } = await sq.execute("accounting.cross_foot", {"rows":[{"id":"north","values":["10","20"],"reportedTotal":"30"},{"id":"south","values":["5","15"],"reportedTotal":"20"}]});

Errors

Code	HTTP	Retryable	Description
VALIDATION_ERROR	400	No	The request payload failed schema validation.
UNAUTHORIZED	401	No	Missing or invalid API key.
SKILL_NOT_ACCESSIBLE	403	No	The API key is not granted access to this skill.
SKILL_NOT_AVAILABLE_FOR_PLAN	403	No	This skill is not included in your current plan.
PLAN_ELIGIBILITY_UNAVAILABLE	503	Yes	Plan eligibility could not be decided. Retry after backoff.
SKILL_NOT_FOUND	404	No	The requested skill or version does not exist.
TENANT_RATE_LIMITED	429	Yes	Request rate limit exceeded. Retry after backoff.
QUOTA_EXCEEDED	429	Yes	Plan quota exhausted. Retryable once the quota period resets.
EXECUTION_TIMEOUT	504	Yes	Execution exceeded the allowed time budget.
DECIMAL_INVALID	400	No	The request payload failed this skill's input validation.
CONTROL_INVALID	400	No	The request payload failed this skill's input validation.
CURRENCY_MISMATCH	400	No	The request payload failed this skill's input validation.
TOLERANCE_INVALID	400	No	The request payload failed this skill's input validation.
ITEM_LIMIT_EXCEEDED	429	No	A size, quota, rate, or time limit was exceeded.

Other limits

Limit	Value
Recommended inline bytes	32 KiB

Limitations

Does not infer materiality, currency conversion, posting, or accounting policy This guidance applies specifically to accounting.cross_foot.
Does not mutate a ledger, fetch files, or accept unbounded rows This guidance applies specifically to accounting.cross_foot.
Currency conversion, posting, or inferred materiality This guidance applies specifically to accounting.cross_foot.
Matrices or ledgers above the documented bounds This guidance applies specifically to accounting.cross_foot.

How to call

POST /v1/execute (requires authentication)

Request bodyjson

{
  "skillKey": "accounting.cross_foot",
  "input": {
    "rows": [
      {
        "id": "north",
        "values": [
          "10",
          "20"
        ],
        "reportedTotal": "30"
      },
      {
        "id": "south",
        "values": [
          "5",
          "15"
        ],
        "reportedTotal": "20"
      }
    ]
  }
}

Examples

Exact equality

Inputjson

{
  "rows": [
    {
      "id": "north",
      "values": [
        "10",
        "20"
      ],
      "reportedTotal": "30"
    },
    {
      "id": "south",
      "values": [
        "5",
        "15"
      ],
      "reportedTotal": "20"
    }
  ]
}

Expected outputjson

{
  "rowChecks": [
    {
      "id": "north",
      "calculatedTotal": "30",
      "reportedTotal": "30",
      "difference": "0",
      "withinTolerance": true
    },
    {
      "id": "south",
      "calculatedTotal": "20",
      "reportedTotal": "20",
      "difference": "0",
      "withinTolerance": true
    }
  ],
  "columnCount": 2,
  "tolerance": "0",
  "withinTolerance": true,
  "columnTotals": [
    "15",
    "35"
  ],
  "rowCount": 2,
  "grandTotal": "50"
}

Explicit tolerance boundary