Deepstate, the on-chain order-book exchange on Robinhood Chain
Deepstate, the on-chain order-book exchange on Robinhood Chain. Order-book snapshot for a market, bids descending and asks ascending, with live resting size per level.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
982 msmedian answer time
$0.005listed price per call
$0.005price 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
GET https://api.onesource.io/deepstate/v1/book/:book
| Category | Market data |
|---|---|
| Provider host | api.onesource.io |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 453 from 262 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.005 | 982 ms |
Example input (from the provider)
{
"method": "GET",
"pathParams": {
"book": "NVDA-USDG"
},
"queryParams": {},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"pathParams": {
"properties": {
"book": {
"type": "string"
}
},
"required": [
"book"
],
"type": "object"
},
"queryParams": {
"properties": {
"depth": {
"maximum": 500,
"minimum": 1,
"type": "integer"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"description": "Endpoint-specific response payload",
"properties": {
"asks": {
"items": {
"properties": {
"is_bid_token0": {
"type": "boolean"
},
"maker": {
"type": "string"
},
"nonce_raw": {
"type": "integer"
},
"order_id": {
"type": "string"
},
"price": {
"type": "number"
},
"price_key_raw": {
"type": "string"
},
"price_raw": {
"type": "string"
},
"queue_position": {
"type": "integer"
},
"rest_index": {
"type": "integer"
},
"rested_at_block": {
"type": "integer"
},
"sequence_raw": {
"type": "string"
},
"side": {
"type": "string"
},
"size": {
"type": "number"
},
"size_raw": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"base_token": {
"properties": {
"address": {
"type": "string"
},
"decimals": {
"type": "integer"
},
"symbol": {
"type": "string"
}
},
"type": "object"
},
"bids": {
"items": {
"properties": {
"is_bid_token0": {
"type": "boolean"
},
"maker": {
"type": "string"
},
"nonce_raw": {
"type": "integer"
},
"order_id": {
"type": "string"
},
"price": {
"type": "number"
},
"price_key_raw": {
"type": "string"
},
"price_raw": {
"type": "string"
},
"queue_position": {
"type": "integer"
},
"rest_index": {
"type": "integer"
},
"rested_at_block": {
"type": "integer"
},
"sequence_raw": {
"type": "string"
},
"side": {
"type": "string"
},
"size": {
"type": "number"
},
"size_raw": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"block_hash": {
"type": "string"
},
"block_number": {
"type": "integer"
},
"book_id": {
"type": "string"
},
"book_label": {
"type": "string"
},
"book_slug": {
"type": "string"
},
"finality": {
"type": "string"
},
"market_session": {
"type": "string"
},
"quote_token": {
"properties": {
"address": {
"type": "string"
},
"decimals": {
"type": "integer"
},
"symbol": {
"type": "string"
}
},
"type": "object"
},
"summary": {
"properties": {
"ask_count": {
"type": "integer"
},
"ask_depth_1pct_quote_raw": {
"type": "string"
},
"ask_depth_quote_raw": {
"type": "string"
},
"base_fee_per_gas_raw": {
"type": "string"
},
"best_ask_raw": {
"type": "string"
},
"best_bid_raw": {
"type": "string"
},
"bid_count": {
"type": "integer"
},