Investor research and stock analysis for AI trading agents
Investor research and stock analysis for AI trading agents. This route buys up to five cited overview views for 0.02 USDC, with historical cutoffs. Discover all 16 research tools, their exact prices, free coverage and wallet MCP in the free catalog. Catalog: https://beliefstate.ai/v1/research. Full schemas: https://beliefstate.ai/openapi.json.
Not tested: has real-world effectsour last check, 2026-10-25
1 of 1checks answered this week
1847 msmedian answer time
$0.02listed price per call
n/aprice 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://beliefstate.ai/v1/brief/NBIS
| Category | Market data |
|---|---|
| Provider host | beliefstate.ai |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-24 | valid payment request | 402 | $0.02 | 1847 ms |
Example input (from the provider)
{
"method": "GET",
"pathParams": {
"ticker": "NBIS"
},
"queryParams": {
"detail": "overview",
"max_results": 5
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"const": "GET",
"type": "string"
},
"pathParams": {
"additionalProperties": false,
"properties": {
"ticker": {
"description": "Released stock ticker from GET /v1/tickers.",
"maxLength": 15,
"minLength": 1,
"pattern": "^[A-Za-z0-9][A-Za-z0-9.-]{0,14}$",
"type": "string"
}
},
"required": [
"ticker"
],
"type": "object"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"as_of": {
"format": "date-time",
"maxLength": 35,
"type": "string"
},
"detail": {
"const": "overview",
"type": "string"
},
"max_results": {
"maximum": 5,
"minimum": 1,
"type": "integer"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"queryParams",
"pathParams"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"$comment": "Permissive discovery projection. Complete response contract: https://beliefstate.ai/openapi.json#/components/schemas/X402BriefOverview",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": {},
"properties": {
"as_of": {
"format": "date-time",
"pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z))$",
"type": "string"
},
"citations": {
"items": {
"additionalProperties": {},
"properties": {
"citation_id": {
"minLength": 1,
"type": "string"
},
"observed_at": {
"format": "date-time",
"pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z))$",
"type": "string"
},
"source_url": {
"format": "uri",
"type": "string"
}
},
"required": [
"citation_id",
"source_url",
"observed_at"
],
"type": "object"
},
"type": "array"
},
"coverage": {
"additionalProperties": false,
"properties": {
"detail_available": {
"const": true,
"type": "boolean"
},
"omitted_record_count": {
"maximum": 9007199254740991,
"minimum": 0,
"type": "integer"
},
"released_record_count": {
"maximum": 9007199254740991,
"minimum": 0,
"type": "integer"
},
"returned_view_count": {
"maximum": 9007199254740991,
"minimum": 0,
"type": "integer"
}
},
"required": [
"released_record_count",
"returned_view_count",
"omitted_record_count",
"detail_available"
],
"type": "object"
},
"generated_at": {
"format": "date-time",
"pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z))$",
"type": "string"
},
"schema_version": {
"const": "1",
"type": "string"
},
"security": {
"additionalProperties": false,
"properties": {
"id": {
"minLength": 1,
"type": "string"
},
"name": {
"minLength": 1,
"type": "string"
},
"ticker": {
"minLength": 1,
"type": "string"
}
},
"required": [
"id",
"ticker",
"name"
],
"type": "object"
},
"view": {
"const": "overview",
"type": "string"
},
"views": {
"items": {
"additionalProperties": {},
"properties": {
"belief_id": {
"minLength": 1,
"type": "string"
},
"direction": {
"enum": [
"bullish",
"bearish",
"mixed",