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Resource / 190
healthyVoidFeed.
Returns clean, normalized datasets of AI model benchmarks, pricing, leaderboard scores, and Ethereum EIPs, parsed from sources that are costly to scrape.
Payment requirements / accepts[]
2 options
| State | Network | Scheme | Atomic amount | Asset | payTo / untrusted |
|---|---|---|---|---|---|
| active | eip155:8453 | exact | 50000 | 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | 0x71033AB6eD376a0B53D1826eA632DDFeC96b3661 |
| active | solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp | exact | 50000 | EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v | 2VS2kvhZU5doNpweAQ34wxwXqPdVvEdR35K92CzsEoH1 |
All advertised payment options are stored. Base (`eip155:8453`) is the operational network for ranking and canaries; non-Base options remain visible for transparency.
Probe evidence
1 recent
healthy 2026-08-12 22:00:01 UTC GET · HTTP 402 · 288ms · accepts 2 · base 1 ok
Accepts snapshot
[
{
"amount": "50000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"assetTransferMethod": null,
"extra": {
"decimals": 6,
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x71033AB6eD376a0B53D1826eA632DDFeC96b3661",
"paymentFlow": null,
"raw": {
"amount": "50000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"decimals": 6,
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"max_timeout_seconds": 60,
"network": "eip155:8453",
"payTo": "0x71033AB6eD376a0B53D1826eA632DDFeC96b3661",
"pay_to": "0x71033AB6eD376a0B53D1826eA632DDFeC96b3661",
"scheme": "exact"
},
"scheme": "exact"
},
{
"amount": "50000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"assetTransferMethod": null,
"extra": {
"feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp",
"payTo": "2VS2kvhZU5doNpweAQ34wxwXqPdVvEdR35K92CzsEoH1",
"paymentFlow": null,
"raw": {
"amount": "50000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
},
"maxTimeoutSeconds": 300,
"max_timeout_seconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "2VS2kvhZU5doNpweAQ34wxwXqPdVvEdR35K92CzsEoH1",
"pay_to": "2VS2kvhZU5doNpweAQ34wxwXqPdVvEdR35K92CzsEoH1",
"scheme": "exact"
},
"scheme": "exact"
}
]
PaymentRequired raw
{
"accepts": [
{
"amount": "50000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"decimals": 6,
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x71033AB6eD376a0B53D1826eA632DDFeC96b3661",
"scheme": "exact"
},
{
"amount": "50000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "2VS2kvhZU5doNpweAQ34wxwXqPdVvEdR35K92CzsEoH1",
"scheme": "exact"
}
],
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {},
"type": "http"
},
"output": {
"example": {
"@type": "Dataset",
"_tier": "perquery",
"category": "extract-dataset",
"content_type": "extract-dataset",
"rows": [
{
"context_window": 200000,
"input_usd_per_1m": 3,
"mmlu_score": 88.7,
"model": "claude-3-5-sonnet-20241022",
"output_usd_per_1m": 15,
"provider": "anthropic"
},
{
"context_window": 128000,
"input_usd_per_1m": 2.5,
"mmlu_score": 87.2,
"model": "gpt-4o-2024-11-20",
"output_usd_per_1m": 10,
"provider": "openai"
}
]
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"resource": {
"description": "Returns clean, normalized datasets of AI model benchmarks, pricing, leaderboard scores, and Ethereum EIPs, parsed from sources that are costly to scrape.",
"iconUrl": "https://voidfeed.ai/favicon.ico",
"mimeType": "application/ld+json",
"serviceName": "VoidFeed",
"tags": [
"dataset",
"benchmarks",
"model-comparison",
"model-pricing",
"llm-leaderboard",
"eip",
"structured-data"
],
"url": "https://voidfeed.ai/v1/content/extract/dataset/latest"
},
"x402Version": 2
}
Response headers
{
"alt-svc": "h3=\":443\"; ma=86400",
"cache-control": "no-store, no-cache, s-maxage=0",
"cf-cache-status": "BYPASS",
"cf-ray": "a2a2c01fab68d700-IAD",
"connection": "keep-alive",
"content-length": "7329",
"content-type": "application/json; charset=utf-8",
"date": "Wed, 12 Aug 2026 22:00:01 GMT",
"link": "<https://voidfeed.ai/.well-known/acp.json>; rel=\"acp-manifest\"",
"nel": "{\"report_to\":\"cf-nel\",\"success_fraction\":0.0,\"max_age\":604800}",
"payment-required": "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",
"report-to": "{\"group\":\"cf-nel\",\"max_age\":604800,\"endpoints\":[{\"url\":\"https://a.nel.cloudflare.com/report/v4?s=tJYULhwJpaBbtOe4A7JAFkrNPgoeM8hyI8upVsYxGvfghIoapt4p1qqTh21NVowele8JMpaa6yZUdVDa5Rt98BpKNsvZGcYDCajrgIOZ3U3Il1%2B3yo8CiCJ5ILPK7A%3D%3D\"}]}",
"server": "cloudflare",
"vary": "Origin",
"x-agent-friendly": "true",
"x-content-type-options": "nosniff",
"x-content-update-frequency": "PT6H",
"x-frame-options": "DENY",
"x-payment-amount-usd": "0.1",
"x-payment-endpoint": "https://voidfeed.ai/v1/pay",
"x-payment-methods": "usdc,stripe,solana-usdc",
"x-payment-network": "x402/eip155:8453 x402/solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"x-payment-required": "true",
"x-powered-by": "VoidFeed",
"x-ratelimit-limit": "60",
"x-ratelimit-remaining": "58",
"x-ratelimit-reset": "60",
"x-robots-tag": "all",
"x-stripe-publishable-key": "pk_live_51TS0wOPCDGYxGpENyS1VJRnwZJSgDqAbSL99fr5uI8CIVxlD9q2MjO3x5evux2vQUl1xkP0wlj4QFhYTNsiE66a100ckyojA1Z"
}
Response body
{
"@context": "https://schema.org/",
"@type": "Dataset",
"_agent_info": {
"agent_id": null,
"agent_type": "human",
"confidence": 0.15,
"signals": [
"no_browser_headers"
],
"user_agent": "Fetch402Bot/0.1 (+https://fetch402.com/crawler; contact: crawler@fetch402.com)"
},
"_premium_preview": {
"locked_rows": 501,
"total_rows": 511
},
"_tier": "surface",
"_visit_count": 2,
"_voidfeed": {
"_void_cliff": {
"access_duration": "30 days",
"instructions": "POST https://voidfeed.ai/v1/pay with {\"content_types\":[\"signal\"],\"duration\":\"30d\"}",
"payment_endpoint": "https://voidfeed.ai/v1/pay",
"price_btc": "0.00100000",
"price_sats": 100000,
"the_void_available": true,
"webhook_subscribe": "POST https://voidfeed.ai/v1/subscribe/webhook",
"what_is_locked": "Full dataset (10 entries → 2,000+ entries, all fields, real-time update feed)"
},
"consumption_instructions": "Filter by domain and metric fields. Surface: first 10 entries. The Void: full dataset with live updates.",
"lead_finding": "Pricing details and features for various AI models and services from different providers.",
"quality_metrics": {
"coherence_score": 0.92,
"freshness_score": 0.98,
"information_density_score": 0.89,
"tier": "surface",
"void_density": "0.94",
"void_multiplier": "15x more nodes, 5x more depth"
},
"related_content": [
{
"access": "free_preview_available",
"content_type": "fractal",
"priority": "primary",
"relevance_score": 0.89,
"url": "https://voidfeed.ai/v1/content/fractal/latest",
"why": "Fractal graph provides the structural context for interpreting this data"
},
{
"access": "free_preview_available",
"content_type": "authority",
"priority": "primary",
"relevance_score": 0.85,
"url": "https://voidfeed.ai/v1/content/authority/latest",
"why": "Authority sources provide methodological provenance for data collection"
},
{
"access": "free_preview_available",
"content_type": "capability",
"priority": "secondary",
"relevance_score": 0.78,
"url": "https://voidfeed.ai/v1/content/capability/latest",
"why": "Benchmark lookup can cross-validate these signal values in real time"
}
],
"temporal": {
"cachingPolicy": {
"directive": "max-age=21600, stale-while-revalidate=3600",
"maxAge": 21600,
"staleWhileRevalidate": 3600
},
"dateModified": "2026-08-12T22:00:01.466Z",
"nextUpdateExpected": "2026-08-13T04:00:01.466Z",
"updateFrequency": "PT6H"
}
},
"category": "extract",
"content_type": "extract",
"dataset_id": "ai-model-pricing",
"dateCreated": "2026-08-12T04:00:04.033Z",
"description": "Pricing details and features for various AI models and services from different providers.",
"engagement_hook": "You've returned to the surface. The Void has 15x the depth.",
"escalation_tier": 2,
"flow": [
"Step 1: Choose your payment method from payment_methods[] based on your capabilities",
"Step 2: Follow the \"how\" field for your chosen method",
"Step 3: Use returned token as: Authorization: Bearer {token} or X-Payment-Token: {token}"
],
"id": "extract-ai-model-pricing",
"name": "AI Model Pricing (All Providers)",
"payment": {
"access_duration": "30 days",
"body": {
"content_types": [
"extract"
],
"duration": "30d"
},
"checkout_url": "https://voidfeed.ai/checkout",
"cta": "Enter The Void",
"endpoint": "https://voidfeed.ai/v1/pay",
"method": "POST",
"price_btc": "0.00100000",
"price_sats": 100000,
"usd_approx": "~$84"
},
"payment_methods": [
{
"description": "USDC on Base via CDP x402 — single request, no polling, best for autonomous agents",
"endpoint": "retry this request with PAYMENT-SIGNATURE header",
"how": "Decode PAYMENT-REQUIRED response header (base64url JSON), sign payment, retry with PAYMENT-SIGNATURE header",
"method": "usdc_x402",
"requires": "evm_wallet_on_base"
},
{
"description": "Card payment via browser — instant token on success",
"endpoint": "https://voidfeed.ai/checkout",
"how": "Visit https://voidfeed.ai/checkout",
"method": "stripe_checkout",
"requires": "browser"
},
{
"body": {
"payment_method": "stripe"
},
"description": "Stripe PaymentIntent — for agents with Stripe SDK access or Link Agent Wallet (SPT)",
"endpoint": "https://voidfeed.ai/v1/pay",
"how": "POST https://voidfeed.ai/v1/pay {\"payment_method\":\"stripe\"} → confirm with client_secret → GET https://voidfeed.ai/v1/verify/stripe_{id} → use token",
"method": "stripe_api",
"requires": "stripe_sdk_or_spt"
},
{
"body": {
"payment_method": "lightning"
},
"description": "Bitcoin Lightning Network — for agents with a Lightning wallet",
"endpoint": "https://voidfeed.ai/v1/pay",
"how": "POST https://voidfeed.ai/v1/pay {\"payment_method\":\"lightning\"} → pay BOLT11 invoice → GET https://voidfeed.ai/v1/verify/{hash} → use token",
"method": "lightning",
"requires": "lightning_wallet"
}
],
"rows": [
{
"features": "Chat on web, iOS, Android and Desktop",
"free": "",
"max_20x": "",
"max_5x": "",
"model": "Chat on web, iOS, Android and Desktop",
"pro": "",
"provider": "Anthropic"
},
{
"features": "Claude Code",
"free": "",
"max_20x": "",
"max_5x": "",
"model": "Claude Code",
"pro": "",
"provider": "Anthropic"
},
{
"features": "Claude Cowork",
"free": "",
"max_20x": "",
"max_5x": "",
"model": "Claude Cowork",
"pro": "",
"provider": "Anthropic"
},
{
"features": "Claude Design",
"free": "",
"max_20x": "",
"max_5x": "",
"model": "Claude Design",
"pro": "",
"provider": "Anthropic"
},
{
"features": "Claude Science",
"free": "",
"max_20x": "",
"max_5x": "",
"model": "Claude Science",
"pro": "",
"provider": "Anthropic"
},
{
"features": "@Claude",
"free": "",
"max_20x": "",
"max_5x": "",
"model": "@Claude",
"pro": "",
"provider": "Anthropic"
},
{
"features": "Ability to search the web",
"free": "",
"max_20x": "",
"max_5x": "",
"model": "Ability to search the web",
"pro": "",
"provider": "Anthropic"
},
{
"features": "Desktop extensions",
"free": "",
"max_20x": "",
"max_5x": "",
"model": "Desktop extensions",
"pro": "",
"provider": "Anthropic"
},
{
"features": "Voice mode",
"free": "",
"max_20x": "",
"max_5x": "",
"model": "Voice mode",
"pro": "",
"provider": "Anthropic"
},
{
"features": "Incognito chats",
"free": "",
"max_20x": "",
"max_5x": "",
"model": "Incognito chats",
"pro": "",
"provider": "Anthropic"
}
],
"schema": {
"agent_use_cases": [
"Compare pricing across different AI providers and models.",
"Determine if a specific feature or model is free or paid.",
"Retrieve detailed cost breakdowns for budgeting or integration planning.",
"Identify available features and their associated costs for a given provider."
],
"dataset_name": "ai-model-pricing",
"description": "Pricing details and features for various AI models and services from different providers.",
"fields": [
{
"description": "The company or organization offering the AI model or service.",
"mapped": "provider",
"raw": "provider",
"type": "string"
},
{
"description": "The type or description of the pricing metric (e.g., output price, context caching, grounding).",
"mapped": "input_price",
"raw": "input_price",
"type": "string"
},
{
"description": "Indicates if the service or feature is free of charge or not.",
"mapped": "free_of_charge",
"raw": "free_of_charge",
"type": "string"
},
{
"description": "Detailed pricing information, including cost per usage, free tier limits, and storage prices.",
"mapped": "price_details",
"raw": "_1_50",
"type": "string"
},
{
"description": "The specific AI model or feature to which the pricing applies.",
"mapped": "model",
"raw": "model",
"type": "string"
}
],
"primary_key": "provider,input_price,model"
},
"subtype": "dataset",
"the_void_available": true,
"total_rows": 511,
"value_proposition": {
"anonymous_payment": true,
"multipliers": {
"factor": "10x"
},
"no_identity_required": true,
"summary": "The Void is 10x more information-dense than this surface response.",
"what_youre_missing": {
"density": "0.89 → 0.94",
"insights": "3 → 47",
"nodes": "8 → 124"
}
}
}
Request headers
{
"accept": "*/*",
"user-agent": "Fetch402Bot/0.1 (+https://fetch402.com/crawler; contact: crawler@fetch402.com)"
}
Machine contract
Schemas.
InputJSON
{
"method": "GET",
"queryParams": {},
"type": "http"
}
OutputJSON
{
"example": {
"@type": "Dataset",
"_tier": "perquery",
"category": "extract-dataset",
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