api.onesource.io
Fetch an Ethereum block header and transaction hashes by number, tag, or hex via eth_getBlockByNumber
Offering
- Provider
- api.onesource.io
- Method
- GET
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Location And Travel
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://api.onesource.io/api/chain/block/:number- MIME type
- application/json
- First seen
- 2026-10-16T01:50:06.715Z
- Last seen
- Tags
- None supplied
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.003 USDC
Atomic price: 3000 · Network: eip155:8453 · Asset: USDC · Scheme: exact - Payment option 2
- 0.003 USDC
Atomic price: 3000 · Network: eip155:8453 · Asset: USDC · Scheme: batch-settlement
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "3000",
"payTo": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea"
},
{
"scheme": "batch-settlement",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "3000",
"payTo": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea"
}
]Observed health
- Status
- Healthy
- Latest latency
- 58 ms
- Average latency
- 300 ms
- HTTP status
- 402
- Last checked
- Reachability
- 100% over 12 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"pathParams": {
"properties": {
"number": {
"oneOf": [
{
"enum": [
"latest",
"pending",
"earliest",
"safe",
"finalized"
],
"type": "string"
},
{
"pattern": "^(0[xX][a-fA-F0-9]+|[0-9]+)$",
"type": "string"
}
]
}
},
"required": [
"number"
],
"type": "object"
},
"queryParams": {
"properties": {
"network": {
"default": "ethereum",
"enum": [
"ethereum",
"sepolia",
"robinhood"
],
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}Output schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"pathParams": {
"properties": {
"number": {
"oneOf": [
{
"enum": [
"latest",
"pending",
"earliest",
"safe",
"finalized"
],
"type": "string"
},
{
"pattern": "^(0[xX][a-fA-F0-9]+|[0-9]+)$",
"type": "string"
}
]
}
},
"required": [
"number"
],
"type": "object"
},
"queryParams": {
"properties": {
"network": {
"default": "ethereum",
"enum": [
"ethereum",
"sepolia",
"robinhood"
],
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"description": "Endpoint-specific response payload",
"properties": {
"result": {
"properties": {
"gasLimit": {
"type": "string"
},
"gasUsed": {
"type": "string"
},
"hash": {
"type": "string"
},
"number": {
"type": "string"
},
"parentHash": {
"type": "string"
},
"timestamp": {
"type": "string"
},
"transactions": {
"items": {
"type": "string"
},
"type": "array"
}
},
"type": [
"object",
"null"
]
}
},
"type": "object"
},
"error": {
"properties": {
"code": {
"type": "integer"
},
"message": {
"type": "string"
}
},
"type": [
"object",
"null"
]
},
"meta": {
"properties": {
"cost_usdc": {
"type": "string"
},
"endpoint": {
"type": "string"
},
"payment_chain": {
"type": "string"
},
"payment_token": {
"type": "string"
},
"request_id": {
"type": "string"
}
},
"required": [
"endpoint",
"request_id"
],
"type": "object"
}
},
"required": [
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}