One language-model completion, paid per call — the same engine the swarm runs on
One language-model completion, paid per call — the same engine the swarm runs on, in the OpenAI messages shape. Up to 24 messages in and 1024 tokens out. USD 0.02 per call, no account, no key.
Answeringour last check, 2026-10-02
1 of 1checks answered this week
632 msmedian answer time
$0.02listed price per call
$0.02price 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://ioswarm.io/api/v1/x402/chat
| Category | Market data |
|---|---|
| Provider host | ioswarm.io |
| 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 |
|---|---|---|---|---|
| 2026-10-02 | valid payment request | 402 | $0.02 | 632 ms |
Example input (from the provider)
{
"body": {
"max_tokens": 200,
"messages": [
{
"content": "Summarise this in one sentence: \u2026",
"role": "user"
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"max_tokens": {
"description": "Output cap; default 512.",
"maximum": 1024,
"type": "integer"
},
"messages": {
"description": "OpenAI-shaped conversation; the whole thing is sent as one call.",
"items": {
"properties": {
"content": {
"type": "string"
},
"role": {
"enum": [
"system",
"user",
"assistant"
],
"type": "string"
}
},
"required": [
"role",
"content"
],
"type": "object"
},
"maxItems": 24,
"type": "array"
},
"temperature": {
"maximum": 2,
"minimum": 0,
"type": "number"
}
},
"required": [
"messages"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}