Use this when you need an answer from a frontier AI model without an account or
Use this when you need an answer from a frontier AI model without an account or an API key: Claude (Opus, Fable, Sonnet, Haiku), GPT-6 or Grok, one call. Price: $0.005 in USDC on Base or Solana, or $0.02 in USDG or $SWOGE on Robinhood Chain (tool price + settlement cost, minimum $0.02).
Answeringour last check, 2026-09-29
1 of 1checks answered this week
938 msmedian answer time
$0.005listed price per call
$0.005price 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://web-production-220a3.up.railway.app/agentic/call/chat_completion
| Category | Market data |
|---|---|
| Provider host | web-production-220a3.up.railway.app |
| Networks | eip155:4663, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| 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 |
|---|---|---|---|---|
| 2026-09-29 | valid payment request | 402 | $0.005 | 938 ms |
Example input (from the provider)
{
"body": {
"arguments": {
"max_tokens": 64,
"messages": [
{
"content": "Say hello in five words.",
"role": "user"
}
]
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"arguments": {
"properties": {
"max_tokens": {
"type": "integer"
},
"messages": {
"items": {
"properties": {
"content": {
"type": "string"
},
"role": {
"enum": [
"system",
"user",
"assistant"
],
"type": "string"
}
},
"required": [
"role",
"content"
],
"type": "object"
},
"type": "array"
},
"model": {
"enum": [
"opus-5-5",
"fable-5-1",
"sonnet-5",
"haiku-4-5",
"gpt-6-astra",
"gpt-6-sol",
"gpt-6-luna",
"grok-4-7",
"grok-4-20-reasoning",
"grok-4-3"
],
"type": "string"
}
},
"required": [
"messages"
],
"type": "object"
}
},
"required": [
"arguments"
],
"type": "object"
},
"bodyType": {
"enum": [
"json"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"ok": {
"const": true,
"type": "boolean"
},
"outil": {
"const": "chat_completion",
"type": "string"
},
"resultat": {
"properties": {
"choices": {
"items": {
"properties": {
"finish_reason": {
"enum": [
"stop",
"length"
],
"type": "string"
},
"index": {
"type": "number"
},
"message": {
"properties": {
"content": {
"type": "string"
},
"role": {
"type": "string"
}
},
"required": [
"role",
"content"
],
"type": "object"
}
},
"required": [
"index",
"message",
"finish_reason"
],
"type": "object"
},
"type": "array"
},
"created": {
"type": "number"
},
"id": {
"type": "string"
},
"model": {
"type": "string"
},
"object": {
"type": "string"
},
"served": {
"type": "string"
},
"usage": {
"properties": {
"completion_tokens": {
"type": "number"
},
"prompt_tokens": {
"type": "number"
},
"total_tokens": {
"type": "number"
}
},
"required": [
"prompt_tokens",
"completion_tokens",
"total_tokens"
],
"type": "object"
}
},
"required": [
"id",
"object",
"created",
"model",
"served",
"choices",
"usage"
],
"type": "object"
},
"texte": {
"type": "string"
},
"x402": {
"properties": {
"amount": {
"type": "string"
},
"asset": {
"type": "string"
},
"network": {
"type": "string"
},
"transaction": {
"type": "string"
}
},
"required": [
"transaction",
"network",
"amount",
"asset"
],
"type": "object"
}
},
"required": [
"ok",
"outil"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"