# Look Up Contract Rates

> Perform Look Up Contract Rates through ExaPACS.

Source: [https://genhealth.ai/docs/workflows/integrations/exa-pacs/exapacs_lookup_contract_rates](https://genhealth.ai/docs/workflows/integrations/exa-pacs/exapacs_lookup_contract_rates)

Integration: [ExaPACS](https://genhealth.ai/docs/workflows/integrations/exa-pacs.md)

- Handler: `exapacs_lookup_contract_rates`

## Inputs

- `plan_key` — Plan Key (expression, required)
  Required literal value or workflow expression.
- `studies` — Studies (expression, required)
  Required literal value or workflow expression.

## Outputs

- `rates` — Rates
- `any_ambiguous` — Any Ambiguous
- `any_missing` — Any Missing
- `resolution_status` — Resolution Status
- `resolution_message` — Resolution Message
- `error` — Error
- `error_message` — Error Message

Output schema completeness: `best_effort_declared`

## Safety

- External effect: `write`
- Confirmation recommended: no
- Retry safe: no
- Dry run supported: no

## Schemas

These schemas are first-pass authoring guidance. Runtime validation remains authoritative.

### Input schema

```json
{
  "type": "object",
  "required": [
    "plan_key",
    "studies"
  ],
  "properties": {
    "studies": {
      "description": "Required literal value or workflow expression.",
      "x-workflow-field-type": "expression"
    },
    "plan_key": {
      "description": "Required literal value or workflow expression.",
      "x-workflow-field-type": "expression"
    }
  },
  "additionalProperties": false
}
```

### Output schema

```json
{
  "type": "object",
  "properties": {
    "error": {},
    "rates": {},
    "any_missing": {},
    "any_ambiguous": {},
    "error_message": {},
    "resolution_status": {},
    "resolution_message": {}
  },
  "additionalProperties": true
}
```