Parameters4
| Parameter | Type | Default | Example |
|---|---|---|---|
network | string | null | ethereum |
number | string | null | latest |
| Parameter | Type | Default | Example |
|---|---|---|---|
network | string | null | ethereum |
number | string | null | latest |
Service overview
Detect upgradeable proxy patterns (EIP-1967, UUPS, Transparent) via eth_getStorageAt - returns the implementation address behind a proxy
Level up your agent by giving it access to thousands of services. All payable per-request via x402. No API keys, no accounts.
Paste into your agentic chat and let your agent guide you.
npx awal x402 pay "https://skills.onesource.io/api/chain/block/:number" \
--query '{
"network": "{network}",
"number": "{number}"
}'{
"endpoint": "GET /api/chain/block/:number",
"paid": true,
"query": "example input",
"result": {
"value": "Structured response from the service."
}
}API surface
9 crawlable routes
| Parameter | Type | Default | Example |
|---|---|---|---|
network | string | null | ethereum |
number | string | null | latest |
| Parameter | Type | Default | Example |
|---|---|---|---|
network | string | null | ethereum |
number | string | null | latest |
| Parameter | Type | Default | Example |
|---|---|---|---|
address | string | null | 0xdac17f958d2ee523a2206206994597c13d831ec7 |
network | string | null | ethereum |
| Parameter | Type | Default | Example |
|---|---|---|---|
address | string | null | 0xdac17f958d2ee523a2206206994597c13d831ec7 |
network | string | null | ethereum |
| Parameter | Type | Default | Example |
|---|---|---|---|
address | string | null | 0xdac17f958d2ee523a2206206994597c13d831ec7 |
network | string | null | ethereum |
| Parameter | Type | Default | Example |
|---|---|---|---|
address | string | null | 0xdac17f958d2ee523a2206206994597c13d831ec7 |
network | string | null | ethereum |
| Parameter | Type | Default | Example |
|---|---|---|---|
input | string | null | vitalik.eth |
network | string | null | ethereum |
| Parameter | Type | Default | Example |
|---|---|---|---|
address | string | null | EVM wallet address (0x-prefixed, 40 hex characters) |
| Parameter | Type | Default | Example |
|---|---|---|---|
input | string | null | vitalik.eth |
network | string | null | ethereum |
| Parameter | Type | Default | Example |
|---|---|---|---|
input | string | null | vitalik.eth |
network | string | null | ethereum |
| Parameter | Type | Default | Example |
|---|---|---|---|
address | string | null | 0xd8da6bf26964af9d7eed9e03e53415d37aa96045 |
network | string | null | ethereum |
| Parameter | Type | Default | Example |
|---|---|---|---|
address | string | null | 0xd8da6bf26964af9d7eed9e03e53415d37aa96045 |
network | string | null | ethereum |
| Parameter | Type | Default | Example |
|---|---|---|---|
address | string | null | 0xdac17f958d2ee523a2206206994597c13d831ec7 |
network | string | null | ethereum |
| Parameter | Type | Default | Example |
|---|---|---|---|
address | string | null | 0xdac17f958d2ee523a2206206994597c13d831ec7 |
network | string | null | ethereum |
| Parameter | Type | Default | Example |
|---|---|---|---|
hash | string | null | 0xad7e04119ecd85857728205f5b12e95f0bab8e99f9c2f60be5dc79cfc6a8df1f |
network | string | null | ethereum |
| Parameter | Type | Default | Example |
|---|---|---|---|
hash | string | null | 0xad7e04119ecd85857728205f5b12e95f0bab8e99f9c2f60be5dc79cfc6a8df1f |
network | string | null | ethereum |
| Parameter | Type | Default | Example |
|---|---|---|---|
hash | string | null | 0xad7e04119ecd85857728205f5b12e95f0bab8e99f9c2f60be5dc79cfc6a8df1f |
network | string | null | ethereum |
| Parameter | Type | Default | Example |
|---|---|---|---|
hash | string | null | 0xad7e04119ecd85857728205f5b12e95f0bab8e99f9c2f60be5dc79cfc6a8df1f |
network | string | null | ethereum |
FAQ
Service
Base wallet portfolio breakdown: up to 100 token positions with live USD price and value, portfolio percentage, 24h price change — native ETH included, spam filtered, top 50 returned; truncated:true means the wallet exceeds the 100-position fetched page (totals null then). Plus total value, top-position concentration and an AI bagcheck read. Wallet holdings, wallet portfolio, wallet balance, bagcheck. $0.02 per call.
Service
Exa /contents endpoint
Service
Agent-driven wallet due diligence — multi-step investigation, signed markdown report + JSON sidecar, dual-chain anchored. Async — returns job_id; poll /v1/investigate/status/{job_id} for the deliverable. ETA 5-10 min. $1.77 USDC.