Ask up to 20 typed yes/no, multiple-choice or ordinal-scale questions about one
Ask up to 20 typed yes/no, multiple-choice or ordinal-scale questions about one shared piece of context in a single call - each answered with a real probability (Jev decision primitives), not generated text. Try GET /decide/sample.
Answeringour last check, 2026-09-28
1 of 1checks answered this week
944 msmedian answer time
$0.001listed price per call
$0.001price 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
POST https://x402.agentindex.world/decide
| Category | Everything else |
|---|---|
| Provider host | x402.agentindex.world |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-28 | valid payment request | 402 | $0.001 | 944 ms |
Example input (from the provider)
{
"body": {
"questions": {
"is_bug": {
"criteria": {
"false": "The customer is asking a question or requesting a feature.",
"true": "The customer describes broken or unexpected behavior."
},
"instructions": "Is the customer reporting a software defect?",
"type": "noul"
}
},
"state": "A customer wrote: 'The app crashed when I tried to upload a photo larger than 10MB, and I have already been charged for premium.'"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"questions": {
"description": "Up to 20 typed questions, keyed by a name you choose. Each needs type ('noul', 'choice' or 'score'), instructions, and criteria (shape depends on type - see /decide/sample).",
"type": "object"
},
"state": {
"description": "Shared context the questions are asked about - a string, or a JSON object/array. Capped at 8000 tokens."
}
},
"required": [
"state",
"questions"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"answers": {
"description": "One answer per question key, shaped by its type: noul (probability of yes), choice (selected option, per-option probabilities, confidence), or score (position, per-level probabilities, confidence, legend).",
"type": "object"
},
"x402_receipt": {
"description": "Billing and provenance receipt for this call.",
"type": "object"
}
},
"required": [
"answers"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}