The deeper research tier
The deeper research tier: more sub-questions, more grounded searches, wider reranked source set, and a premium (Claude Opus class) synthesis into a ~2,200-word cited report with structured findings. For questions worth a real dossier. USDC or card (Stripe). Not cached.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
921 msmedian answer time
$0.85listed price per call
$0.85price 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
POST https://agent402.tools/v1/research/pro
| Category | Search and research |
|---|---|
| Provider host | agent402.tools |
| Networks | eip155:10, eip155:1329, eip155:137, eip155:143, eip155:42161, eip155:42220, eip155:43114, eip155:4663, eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.85 | 921 ms |
Example input (from the provider)
{
"body": {
"query": "What are the leading agentic-payment protocols in 2026 and how do they differ?",
"recency": "year"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"focus": {
"description": "Optional aspects to emphasize (<= 8).",
"items": {
"type": "string"
},
"type": "array"
},
"format": {
"description": "Response shape (default markdown report).",
"enum": [
"markdown",
"json"
],
"type": "string"
},
"query": {
"description": "The research question to investigate (<= 2000 chars).",
"type": "string"
},
"recency": {
"description": "Prefer sources from this window (default any).",
"enum": [
"week",
"month",
"year",
"any"
],
"type": "string"
}
},
"required": [
"query"
],
"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": {
"properties": {
"example": {
"properties": {
"meta": {
"properties": {
"searches_run": {
"type": "integer"
},
"sources_cited": {
"type": "integer"
},
"sources_consulted": {
"type": "integer"
},
"synthesis_model": {
"type": "string"
},
"tier": {
"type": "string"
}
},
"type": "object"
},
"report": {
"type": "string"
},
"sources": {
"items": {
"type": "object"
},
"type": "array"
},
"sub_questions": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"report",
"sources",
"sub_questions",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}