x402-api.aubr.ai
Search and synthesize scientific literature on longevity and aging. Submit a research question; returns cited answer with references from PubMed and other sources.
Offering
- Provider
- x402-api.aubr.ai
- Method
- POST
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Science And Education
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://x402-api.aubr.ai/api/literature- MIME type
- Not provided
- First seen
- 2026-10-16T01:51:20.002Z
- Last seen
- Tags
- None supplied
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.03 USDC
Atomic price: 30000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "30000",
"payTo": "0x44dC2dceaA22c7EF6B2E2cF2362Fd3FB476b7c2C"
}
]Observed health
- Status
- Healthy
- Latest latency
- 162 ms
- Average latency
- 476 ms
- HTTP status
- 204
- Last checked
- Reachability
- 100% over 14 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": {
"properties": {
"allowSourceExpansion": {
"description": "Deprecated / ignored — Exa is a single index. Use scope for deliberate scoping.",
"type": "boolean"
},
"date_from": {
"description": "Start date filter (YYYY-MM-DD)",
"type": "string"
},
"date_to": {
"description": "End date filter (YYYY-MM-DD)",
"type": "string"
},
"filterReferences": {
"description": "Default true upstream — drop off-topic refs. Set false for raw/unfiltered refs (debug).",
"type": "boolean"
},
"includeRejected": {
"description": "Default false — when true, completed responses include rejectedReferences[] and relevance.reason on rejected refs.",
"type": "boolean"
},
"maxResults": {
"description": "Max results to return",
"type": "number"
},
"mode": {
"description": "Search depth",
"enum": [
"fast",
"deep"
],
"type": "string"
},
"perSourceLimit": {
"description": "Deprecated / ignored — Exa is a single index (no per-source cap).",
"type": "number"
},
"privacyMode": {
"description": "Optional plaintext privacy mode forwarded to Aubrai when provided.",
"type": "string"
},
"question": {
"description": "Research question",
"type": "string"
},
"retrievalProfile": {
"description": "Optional retrieval profile: \"default\" or \"litqa-recall\".",
"enum": [
"default",
"litqa-recall"
],
"type": "string"
},
"scope": {
"description": "Opt-in scoping mapped to Exa domains: preprints (biorxiv/medrxiv/arxiv), no-preprints (exclude those), trials (clinicaltrials.gov). Omit for full index.",
"enum": [
"preprints",
"no-preprints",
"trials"
],
"type": "string"
},
"sourceProfile": {
"description": "Optional source profile. Omit for Aubrai defaults.",
"enum": [
"fast-default",
"deep-default",
"clinical",
"paperclip",
"litqa-recall"
],
"type": "string"
},
"sources": {
"description": "Deprecated / ignored — retrieval is one Exa index (already covers pubmed/arxiv/biorxiv/etc.). Use scope instead.",
"items": {
"type": "string"
},
"type": "array"
},
"tagMode": {
"description": "Use fanout for independent tracked-term searches; use combined only when tags must be searched together.",
"enum": [
"fanout",
"combined"
],
"type": "string"
},
"tags": {
"description": "Tracked terms for radar-style searches. With tagMode=fanout, each tag is searched separately.",
"items": {
"type": "string"
},
"type": "array"
},
"year": {
"description": "Filter by publication year",
"type": "string"
}
},
"required": [
"question"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"bodyType",
"body",
"method"
],
"type": "object"
}Output schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"allowSourceExpansion": {
"description": "Deprecated / ignored — Exa is a single index. Use scope for deliberate scoping.",
"type": "boolean"
},
"date_from": {
"description": "Start date filter (YYYY-MM-DD)",
"type": "string"
},
"date_to": {
"description": "End date filter (YYYY-MM-DD)",
"type": "string"
},
"filterReferences": {
"description": "Default true upstream — drop off-topic refs. Set false for raw/unfiltered refs (debug).",
"type": "boolean"
},
"includeRejected": {
"description": "Default false — when true, completed responses include rejectedReferences[] and relevance.reason on rejected refs.",
"type": "boolean"
},
"maxResults": {
"description": "Max results to return",
"type": "number"
},
"mode": {
"description": "Search depth",
"enum": [
"fast",
"deep"
],
"type": "string"
},
"perSourceLimit": {
"description": "Deprecated / ignored — Exa is a single index (no per-source cap).",
"type": "number"
},
"privacyMode": {
"description": "Optional plaintext privacy mode forwarded to Aubrai when provided.",
"type": "string"
},
"question": {
"description": "Research question",
"type": "string"
},
"retrievalProfile": {
"description": "Optional retrieval profile: \"default\" or \"litqa-recall\".",
"enum": [
"default",
"litqa-recall"
],
"type": "string"
},
"scope": {
"description": "Opt-in scoping mapped to Exa domains: preprints (biorxiv/medrxiv/arxiv), no-preprints (exclude those), trials (clinicaltrials.gov). Omit for full index.",
"enum": [
"preprints",
"no-preprints",
"trials"
],
"type": "string"
},
"sourceProfile": {
"description": "Optional source profile. Omit for Aubrai defaults.",
"enum": [
"fast-default",
"deep-default",
"clinical",
"paperclip",
"litqa-recall"
],
"type": "string"
},
"sources": {
"description": "Deprecated / ignored — retrieval is one Exa index (already covers pubmed/arxiv/biorxiv/etc.). Use scope instead.",
"items": {
"type": "string"
},
"type": "array"
},
"tagMode": {
"description": "Use fanout for independent tracked-term searches; use combined only when tags must be searched together.",
"enum": [
"fanout",
"combined"
],
"type": "string"
},
"tags": {
"description": "Tracked terms for radar-style searches. With tagMode=fanout, each tag is searched separately.",
"items": {
"type": "string"
},
"type": "array"
},
"year": {
"description": "Filter by publication year",
"type": "string"
}
},
"required": [
"question"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"bodyType",
"body",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
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"required": [
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"type": "object"
}