Compile and Save Instruction

POST

compile-and-save-instruction

curl -X POST http://localhost:8081/compile-and-save-instruction \
  -H "Content-Type: application/json" \
  -d '{
    "script": "rule HighValueTransaction {\n    description \"Review any transaction above $10,000\"\n    when amount > 10000\n    then review\n         score   0.5\n         reason  \"Amount exceeds threshold\"\n}"
  }'

{
  "id": 1,
  "name": "HighValueTransaction",
  "text": "rule HighValueTransaction {\n    description \"Review any transaction above $10,000\"\n    when amount > 10000\n    then review\n         score   0.5\n         reason  \"Amount exceeds threshold\"\n}",
  "description": "Review any transaction above $10,000",
  "dsl_json": "{\"name\":\"HighValueTransaction\",\"when\":[...],\"then\":{...}}",
  "created_at": "2026-03-16T10:00:00Z",
  "updated_at": "2026-03-16T10:00:00Z"
}

Missing required field: script cannot be empty

Failed to save instruction: An instruction with name 'HighValueTransaction' already exists.

Failed to compile script: ...

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Use this endpoint to compile a Watch DSL script and save it as an instruction. Once saved, Watch evaluates incoming transactions against the compiled rule. For DSL syntax and examples, see Watch rule examples.

Body

string

required

The Watch DSL script to compile. The rule name is extracted from the script and must be unique across instructions.

curl -X POST http://localhost:8081/compile-and-save-instruction \
  -H "Content-Type: application/json" \
  -d '{
    "script": "rule HighValueTransaction {\n    description \"Review any transaction above $10,000\"\n    when amount > 10000\n    then review\n         score   0.5\n         reason  \"Amount exceeds threshold\"\n}"
  }'

{
  "id": 1,
  "name": "HighValueTransaction",
  "text": "rule HighValueTransaction {\n    description \"Review any transaction above $10,000\"\n    when amount > 10000\n    then review\n         score   0.5\n         reason  \"Amount exceeds threshold\"\n}",
  "description": "Review any transaction above $10,000",
  "dsl_json": "{\"name\":\"HighValueTransaction\",\"when\":[...],\"then\":{...}}",
  "created_at": "2026-03-16T10:00:00Z",
  "updated_at": "2026-03-16T10:00:00Z"
}

Missing required field: script cannot be empty

Failed to save instruction: An instruction with name 'HighValueTransaction' already exists.

Failed to compile script: ...

Response fields

integer

Auto-generated instruction ID. Use this with get instruction and delete instruction.

string

Unique rule name extracted from the DSL script.

string

Original Watch DSL script text.

string

Rule description from the DSL script, if provided.

string

Compiled rule JSON used during transaction evaluation.

string

ISO 8601 timestamp of when the instruction was created.

string

ISO 8601 timestamp of when the instruction was last updated.

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Get transaction verdict

List instructions

curl -X POST http://localhost:8081/compile-and-save-instruction \
  -H "Content-Type: application/json" \
  -d '{
    "script": "rule HighValueTransaction {\n    description \"Review any transaction above $10,000\"\n    when amount > 10000\n    then review\n         score   0.5\n         reason  \"Amount exceeds threshold\"\n}"
  }'

{
  "id": 1,
  "name": "HighValueTransaction",
  "text": "rule HighValueTransaction {\n    description \"Review any transaction above $10,000\"\n    when amount > 10000\n    then review\n         score   0.5\n         reason  \"Amount exceeds threshold\"\n}",
  "description": "Review any transaction above $10,000",
  "dsl_json": "{\"name\":\"HighValueTransaction\",\"when\":[...],\"then\":{...}}",
  "created_at": "2026-03-16T10:00:00Z",
  "updated_at": "2026-03-16T10:00:00Z"
}

Missing required field: script cannot be empty

Failed to save instruction: An instruction with name 'HighValueTransaction' already exists.

Failed to compile script: ...

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