tensorfeed.ai
AI/ML PyPI package momentum and velocity. Per-package week-over-week change, direction classification (accelerating / steady / declining), notable movers, and by-category counts. The "what AI packages are heating up" feed.
DataLiveeip155:8453Exactvia cdp
Settlements · 30d
43↑ 71%
No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days.
$10.20
Verified settled volume
389 settlements proven x402 by their on-chain EIP-3009 marker.
$0.100
Listed price
As published in the catalog. Always read the live 402 before paying.
1
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-07-23 12:32Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x549c82e6bfc54bdae9a2073744cbc2af5d1fc6d1The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Provider
The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.
Live 402 challenge
Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.
{
"ok": false,
"error": "payment_required",
"faucet": {
"how": "No payment, no USDC, no gas. Sign an EIP-191 message proving you control a wallet, POST { message, signature }, and receive a bearer token preloaded with 25 trial credits. One grant per wallet. Use it to evaluate any premium endpoint, then top up the same token via /api/payment/buy-credits.",
"cost": "free",
"method": "POST",
"credits": 25,
"endpoint": "/api/payment/trial-credits"
},
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2",
"resource": "https://tensorfeed.ai/api/premium/packages/pypi/momentum"
},
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"amount": "100000",
"scheme": "exact",
"network": "eip155:8453",
"resource": "https://tensorfeed.ai/api/premium/packages/pypi/momentum",
"outputSchema": {
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"properties": {
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"billing": {
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"description": "credits_charged, credits_remaining and any no_charge_reason for this call."
},
"receipt": {
"type": "object",
"description": "Signed TensorFeed receipt for the call (present once the signing key is bootstrapped)."
},
"freshness": {
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"description": "Data age and SLA for this response: as_of, data_age_seconds, max_age_seconds, fresh, sla_applies."
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"example": {
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"window": {
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"billing": {
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"credits_remaining": 49
},
"packages": [
{
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"category": "orchestration",
"direction": "accelerating",
"velocity_ratio": 1.102,
"downloads_prior": 4900000,
"downloads_current": 5400000
}
],
"by_category": {
"embeddings": 8,
"evaluation": 5,
"orchestration": 12
},
"notable_movers": {
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],
"decliners": [
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]
}
}
}
},
"maxTimeoutSeconds": 60
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{
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"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
"resource": "https://tensorfeed.ai/api/premium/packages/pypi/momentum"
},
"payTo": "B8uYDm3snMCAUwt6NWTV3u7akcmd1AWzCXKQ1dDKWcFJ",
"amount": "100000",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"resource": "https://tensorfeed.ai/api/premium/packages/pypi/momentum",
"outputSchema": {
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"billing": {
"type": "object",
"description": "credits_charged, credits_remaining and any no_charge_reason for this call."
},
"receipt": {
"type": "object",
"description": "Signed TensorFeed receipt for the call (present once the signing key is bootstrapped)."
},
"freshness": {
"type": "object",
"description": "Data age and SLA for this response: as_of, data_age_seconds, max_age_seconds, fresh, sla_applies."
},
"receipt_status": {
"type": "string"
},
"suggested_next_calls": {
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}
}
},
"example": {
"ok": true,
"window": {
"window_days": 7
},
"billing": {
"credits_charged": 1,
"credits_remaining": 49
},
"packages": [
{
"name": "langchain",
"category": "orchestration",
"direction": "accelerating",
"velocity_ratio": 1.102,
"downloads_prior": 4900000,
"downloads_current": 5400000
}
],
"by_category": {
"embeddings": 8,
"evaluation": 5,
"orchestration": 12
},
"notable_movers": {
"gainers": [
"langchain",
"instructor"
],
"decliners": [
"old-llm-lib"
]
}
}
}
},
"maxTimeoutSeconds": 60
}
],
"message": "This endpoint is strict-premium and does not offer the per-IP free trial. Sign an EIP-3009 transferWithAuthorization via X-PAYMENT or use the credits flow. Free siblings exist for discovery (pricing_series_free, benchmark_series_free, status_uptime_free, status_leaderboard_free, each 7-day-capped).",
"payment": {
"tier": 3,
"wallet": "0x549c82e6bfc54bdae9a2073744cbc2af5d1fc6d1",
"network": "base",
"contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"currency": "USDC",
"credits_per_usd": 50,
"credits_required": 5,
"minimum_amount_usd": 1
},
"resource": {
"url": "https://tensorfeed.ai/api/premium/packages/pypi/momentum",
"mimeType": "application/json",
"description": "AI/ML PyPI package momentum and velocity. Per-package week-over-week change, direction classification (accelerating / steady / declining), notable movers, and by-category counts. The \"what AI packages are heating up\" feed."
},
"endpoints": {
"info": "/api/payment/info",
"quote": "/api/payment/buy-credits",
"balance": "/api/payment/balance",
"confirm": "/api/payment/confirm"
},
"freshness": {
"verify": "The paid response and its signed receipt carry as_of and data_age_seconds so you can confirm freshness after the call.",
"promise": "This endpoint serves data no older than 1 day. If the data behind your paid call is staler than that, you are not charged: the response carries no_charge_reason \"stale_data\" and credits_charged 0.",
"manifest": "/api/freshness",
"max_age_seconds": 86400
},
"extensions": {
"bazaar": {
"info": {
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"type": "http",
"method": "GET",
"queryParams": {}
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"output": {
"type": "json",
"schema": {
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"required": [
"freshness",
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"properties": {
"ok": {
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},
"stale": {
"type": "boolean"
},
"billing": {
"type": "object",
"description": "credits_charged, credits_remaining and any no_charge_reason for this call."
},
"receipt": {
"type": "object",
"description": "Signed TensorFeed receipt for the call (present once the signing key is bootstrapped)."
},
"freshness": {
"type": "object",
"description": "Data age and SLA for this response: as_of, data_age_seconds, max_age_seconds, fresh, sla_applies."
},
"receipt_status": {
"type": "string"
},
"suggested_next_calls": {
"type": "array"
}
}
},
"example": {
"ok": true,
"window": {
"window_days": 7
},
"billing": {
"credits_charged": 1,
"credits_remaining": 49
},
"packages": [
{
"name": "langchain",
"category": "orchestration",
"direction": "accelerating",
"velocity_ratio": 1.102,
"downloads_prior": 4900000,
"downloads_current": 5400000
}
],
"by_category": {
"embeddings": 8,
"evaluation": 5,
"orchestration": 12
},
"notable_movers": {
"gainers": [
"langchain",
"instructor"
],
"decliners": [
"old-llm-lib"
]
}
}
}
},
"schema": {
"type": "object",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
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"properties": {
"type": {
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"const": "http"
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"method": {
"enum": [
"GET"
],
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},
"queryParams": {
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},
"additionalProperties": false
},
"output": {
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],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
}
}
}
},
"builder-code": {
"info": {
"a": "bc_oeob8et3"
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"a": {
"type": "string",
"pattern": "^[a-z0-9_]{1,32}$",
"description": "App builder code"
},
"s": {
"type": "array",
"items": {
"type": "string",
"pattern": "^[a-z0-9_]{1,32}$"
},
"description": "Service builder codes"
},
"w": {
"type": "string",
"pattern": "^[a-z0-9_]{1,32}$",
"description": "Wallet builder code"
}
},
"additionalProperties": false
}
}
},
"free_trial": null,
"x402Version": 2,
"flow_options": {
"x402_v2": "Sign an EIP-3009 transferWithAuthorization for the exact `amount` above against USDC on Base mainnet, base64-encode the PaymentPayload, retry with X-PAYMENT header. AgentCore Payments and @coinbase/x402 do this automatically.",
"recommended": "Buy credits once via /api/payment/buy-credits, get a bearer token, use Authorization: Bearer <token> for all future calls (50ms latency).",
"x402_legacy": "Pre-broadcast USDC on Base, retry this request with X-Payment-Tx + X-Payment-Quote headers. TensorFeed-specific fallback; agents on AgentCore Payments use X-PAYMENT instead."
}
}Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
0.1USDC≈ $0.1 USD
on Base · exact scheme
Pay 0.1 USDC on Base to 0x549c…fc6d1. The signed payment is good for 1 minute.
- Paid to
- 0x549c…fc6d1
- USD Coin contract
- 0x8335…02913
- Payment window
- 1 minute
- As published
- 100000 smallest units
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2",
"resource": "https://tensorfeed.ai/api/premium/packages/pypi/momentum"
},
"payTo": "0x549c82e6bfc54bdae9a2073744cbc2af5d1fc6d1",
"amount": "100000",
"scheme": "exact",
"network": "eip155:8453",
"resource": "https://tensorfeed.ai/api/premium/packages/pypi/momentum",
"maxTimeoutSeconds": 60
}
]Extensions
{
"bazaar": {
"info": {
"input": {
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"properties": {
"ok": {
"type": "boolean"
},
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}
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"credits_remaining": {
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}
}
},
"packages": {
"type": "array",
"items": {
"type": "object",
"properties": {
"name": {
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"example": "langchain"
},
"category": {
"type": "string",
"example": "orchestration"
},
"direction": {
"type": "string",
"example": "accelerating"
},
"velocity_ratio": {
"type": "number",
"example": 1.102
},
"downloads_prior": {
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"example": 4900000
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"example": 5400000
}
}
}
},
"by_category": {
"type": "object",
"properties": {
"embeddings": {
"type": "integer",
"example": 8
},
"evaluation": {
"type": "integer",
"example": 5
},
"orchestration": {
"type": "integer",
"example": 12
}
}
},
"notable_movers": {
"type": "object",
"properties": {
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"type": "array",
"items": {
"type": "string",
"example": "langchain"
}
},
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"type": "array",
"items": {
"type": "string",
"example": "old-llm-lib"
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}
},
"example": {
"ok": true,
"window": {
"window_days": 7
},
"billing": {
"credits_charged": 1,
"credits_remaining": 49
},
"packages": [
{
"name": "langchain",
"category": "orchestration",
"direction": "accelerating",
"velocity_ratio": 1.102,
"downloads_prior": 4900000,
"downloads_current": 5400000
}
],
"by_category": {
"embeddings": 8,
"evaluation": 5,
"orchestration": 12
},
"notable_movers": {
"gainers": [
"langchain",
"instructor"
],
"decliners": [
"old-llm-lib"
]
}
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}
},
"schema": {
"type": "object",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"type": "object"
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
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}
}Provenance
- Seen in the source catalog
- 2026-05-25 23:11Z
- Last indexed by Roundhouse
- 2026-08-22 12:10Z
- Last enriched (probe, favicon, geo)
- 2026-09-22 18:15Z
- x402 version
- 2
- Max timeout
- 60s
- Liveness probe
- HTTP 402
Hand this page to an agent
Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.
GET api.roundhouseai.io/v0/endpoints
No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days. Verified volume counts only settlements with an on-chain EIP-3009 marker.
Show the promptHide the prompt
Using Roundhouse, look up the x402 service tensorfeed.ai and tell me whether it is worth paying: what a call costs, whether the endpoint answered when last probed, and what its payment record actually shows. curl -s 'https://api.roundhouseai.io/v0/endpoints?q=tensorfeed.ai' curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>' Then call it: read the price from the live 402 at https://tensorfeed.ai/api/premium/packages/pypi/momentum, never from a cached figure, and pay with an x402 client. The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except /v0/unified* and /v0/endpoints. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402, or use an organization key from https://roundhouseai.io/dashboard/team. If you do not have Roundhouse tools or skills installed, read https://roundhouseai.io/skill.md first — it is the whole procedure.