Claude Sonnet 5 API
Claude Sonnet 5 API (anthropic/claude-sonnet-5): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need Claude Sonnet 5 on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
Offering
- Provider
- agent402-arb.rosariovitale0096.workers.dev
- Method
- POST
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Api
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://agent402-arb.rosariovitale0096.workers.dev/llm/claude-sonnet-5- MIME type
- application/json
- First seen
- 2026-10-16T01:50:19.913Z
- Last seen
- Tags
- claude-sonnet-5, claude, anthropic, LLM, chat-completions
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.0014 USDC
Atomic price: 1400 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "1400",
"payTo": "0xf7eaf699C6E55887184809c57d597a64aB86d493"
}
]Observed health
- Status
- Healthy
- Latest latency
- 125 ms
- Average latency
- 463 ms
- HTTP status
- 204
- Last checked
- Reachability
- 100% over 14 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"type": "object",
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"type": "string",
"enum": [
"POST",
"PUT",
"PATCH"
]
},
"bodyType": {
"type": "string",
"enum": [
"json",
"form-data",
"text"
]
},
"body": {
"type": "object",
"properties": {
"model": {
"type": "string",
"description": "Optional: fixed by the route (anthropic/claude-sonnet-5)"
},
"messages": {
"type": "array",
"minItems": 1,
"items": {
"type": "object",
"properties": {
"role": {
"type": "string",
"enum": [
"system",
"user",
"assistant",
"tool",
"developer"
]
},
"content": {
"type": [
"string",
"array",
"null"
]
}
},
"required": [
"role"
]
}
},
"max_tokens": {
"type": "integer",
"minimum": 1,
"maximum": 16384,
"description": "Optional, default 4096"
},
"stream": {
"type": "boolean",
"description": "true: server-sent events after payment"
},
"temperature": {
"type": "number",
"minimum": 0,
"maximum": 2
},
"response_format": {
"type": "object"
},
"tools": {
"type": "array"
}
},
"required": [
"messages"
]
},
"queryParams": {
"type": "object",
"additionalProperties": {
"type": "string"
}
},
"headers": {
"type": "object",
"additionalProperties": {
"type": "string"
}
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"additionalProperties": false
}Output schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"max_tokens": {
"description": "Optional, default 4096",
"maximum": 16384,
"minimum": 1,
"type": "integer"
},
"messages": {
"items": {
"properties": {
"content": {
"type": [
"string",
"array",
"null"
]
},
"role": {
"enum": [
"system",
"user",
"assistant",
"tool",
"developer"
],
"type": "string"
}
},
"required": [
"role"
],
"type": "object"
},
"minItems": 1,
"type": "array"
},
"model": {
"description": "Optional: fixed by the route (anthropic/claude-sonnet-5)",
"type": "string"
},
"response_format": {
"type": "object"
},
"stream": {
"description": "true: server-sent events after payment",
"type": "boolean"
},
"temperature": {
"maximum": 2,
"minimum": 0,
"type": "number"
},
"tools": {
"type": "array"
}
},
"required": [
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],
"type": "object"
},
"bodyType": {
"enum": [
"json",
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"type": "string"
},
"headers": {
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"type": "object"
},
"method": {
"enum": [
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],
"type": "string"
},
"queryParams": {
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"type": {
"const": "http",
"type": "string"
}
},
"required": [
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"bodyType",
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],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"choices": {
"items": {
"required": [
"index",
"message",
"finish_reason"
],
"type": "object"
},
"type": "array"
},
"id": {
"type": "string"
},
"model": {
"type": "string"
},
"object": {
"const": "chat.completion"
},
"usage": {
"type": "object"
}
},
"required": [
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"object",
"model",
"choices"
],
"type": "object"
},
"type": {
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}
},
"required": [
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"type": "object"
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},
"required": [
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"type": "object"
}