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Verification API

The Verification API predicts whether a schema is valid and identifies likely errors, without running the full compiler. Responses return in milliseconds, making verification practical inside tight agent loops.

POST /validity-check​

Returns a validity prediction with a confidence probability.

Request:

curl -X POST https://api.masar.almadar.io/validity-check \
  -H "Authorization: Bearer $MASAR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "schema": {
      "name": "App",
      "orbitals": [{"entity": "Ticket", "traits": ["Triage"], "pages": ["Dashboard"]}]
    }
  }'

Response:

{
  "valid": true,
  "probability": 0.94,
  "confidence": "high"
}
FieldTypeDescription
validbooleanPredicted validity (threshold: 0.5)
probabilityfloatConfidence score from 0.0 to 1.0
confidencestring"high" (above 0.85), "medium" (0.6-0.85), or "low" (below 0.6)

POST /error-check​

Predicts probabilities across 20 error categories. Use this to pinpoint what's wrong before asking the LLM to fix it.

Request:

curl -X POST https://api.masar.almadar.io/error-check \
  -H "Authorization: Bearer $MASAR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"schema": {"name": "App", "orbitals": [...]}}'

Response:

{
  "errors": [
    {"category": "missing_transition", "probability": 0.87, "description": "One or more states have no outgoing transitions"},
    {"category": "orphan_event", "probability": 0.62, "description": "Events declared but never used in transitions"},
    {"category": "missing_initial_state", "probability": 0.03, "description": "Trait has no initial state"}
  ],
  "top_errors": ["missing_transition", "orphan_event"],
  "error_count_prediction": 2
}

The 20 categories cover structural issues (missing transitions, orphan states), wiring issues (unmatched emits, broken bindings), and UI issues (missing render effects, invalid patterns).

POST /rank-edits/jepa​

Suggests optimal repair actions for a failing schema. See the dedicated Repair API docs for full details.

Quick example:

from masar import MasarClient

client = MasarClient()
repairs = client.rank_edits(
    schema=failing_schema,
    errors=["missing_transition", "orphan_event"]
)
for repair in repairs.suggestions:
    print(f"{repair.action}: {repair.params} (score: {repair.score:.2f})")

Next Steps​