EVM & Solana Utility Tools
Keccak Merkle tree and proof builder — generate indexed sorted-pair inclusion proofs with domain separation and explicit odd-node promotion.
Offering
- Provider
- chain-tools.use.x402atlas.com
- Method
- POST
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Security
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://chain-tools.use.x402atlas.com/merkle/build- MIME type
- Not provided
- First seen
- 2026-10-16T01:50:10.647Z
- Last seen
- Tags
- merkle-proof, merkle-tree, keccak256, proof-generation, blockchain-development
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact - Payment option 2
- 0.01 USDC
Atomic price: 10000 · Network: eip155:137 · Asset: USDC · Scheme: exact - Payment option 3
- 0.01 USDC
Atomic price: 10000 · Network: eip155:42161 · Asset: USDC · Scheme: exact - Payment option 4
- 0.01 USDC
Atomic price: 10000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "10000",
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2"
},
{
"scheme": "exact",
"network": "eip155:137",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"amount": "10000",
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2"
},
{
"scheme": "exact",
"network": "eip155:42161",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"amount": "10000",
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2"
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "10000",
"payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ"
}
]Observed health
- Status
- Reachable
- Latest latency
- 885 ms
- Average latency
- 187 ms
- HTTP status
- 405
- Last checked
- Reachability
- 100% over 10 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": {
"body": {
"additionalProperties": false,
"properties": {
"leaves": {
"description": "Raw leaves in stable caller order; duplicate values remain distinct by zero-based index",
"items": {
"description": "Zero to 4096 raw bytes as even-length 0x hexadecimal",
"maxLength": 8194,
"pattern": "^0x(?:[0-9a-fA-F]{2})*$",
"type": "string"
},
"maxItems": 1024,
"minItems": 1,
"type": "array"
}
},
"required": [
"leaves"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
}Output schema
{
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"_atlas": {
"additionalProperties": false,
"description": "Atlas documentation and related-route metadata added after deployment",
"properties": {
"docs": {
"description": "Documentation URL for this bridge",
"format": "uri",
"maxLength": 512,
"type": "string"
},
"related": {
"description": "Bounded related Atlas routes",
"items": {
"additionalProperties": false,
"description": "One related Atlas route",
"properties": {
"bridge": {
"description": "Related bridge name",
"maxLength": 64,
"type": "string"
},
"docs": {
"description": "Related bridge documentation URL",
"format": "uri",
"maxLength": 512,
"type": "string"
},
"summary": {
"description": "Short capability summary",
"maxLength": 256,
"type": "string"
},
"url": {
"description": "Related route URL",
"format": "uri",
"maxLength": 512,
"type": "string"
}
},
"required": [
"bridge",
"url",
"docs",
"summary"
],
"type": "object"
},
"maxItems": 3,
"type": "array"
}
},
"required": [
"docs"
],
"type": "object"
},
"algorithm_version": {
"const": "keccak256-sorted-pairs-v1",
"description": "Atlas domain-separated sorted-pair profile",
"type": "string"
},
"leaf_count": {
"description": "Number of original leaves",
"maximum": 1024,
"minimum": 1,
"type": "integer"
},
"leaf_hashes": {
"description": "Domain-separated leaf hashes in original order",
"items": {
"description": "Leaf hash",
"pattern": "^0x[0-9a-f]{64}$",
"type": "string"
},
"maxItems": 1024,
"minItems": 1,
"type": "array"
},
"operation": {
"const": "merkle-build",
"description": "Stable route operation",
"type": "string"
},
"proofs": {
"description": "Exactly one proof for every original index",
"items": {
"additionalProperties": false,
"properties": {
"index": {
"description": "Zero-based original leaf index",
"maximum": 1023,
"minimum": 0,
"type": "integer"
},
"steps": {
"description": "Sibling hashes in leaf-to-root order; odd promotions add no step",
"items": {
"additionalProperties": false,
"properties": {
"hash": {
"description": "Sibling node hash; direction is unnecessary because pairs sort by hash",
"pattern": "^0x[0-9a-f]{64}$",
"type": "string"
}
},
"required": [
"hash"
],
"type": "object"
},
"maxItems": 10,
"type": "array"
}
},
"required": [
"index",
"steps"
],
"type": "object"
},
"maxItems": 1024,
"minItems": 1,
"type": "array"
},
"root": {
"description": "Tree root",
"pattern": "^0x[0-9a-f]{64}$",
"type": "string"
},
"warnings": {
"description": "Always empty",
"items": {
"description": "Warning",
"type": "string"
},
"maxItems": 0,
"type": "array"
}
},
"required": [
"operation",
"algorithm_version",
"leaf_count",
"root",
"leaf_hashes",
"proofs",
"warnings"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}