feed.scalpstream.com
ScalpStream crypto staking-and-interest yield feed (impersonal research publication)
SearchLiveeip155:8453Exactvia cdp
Calls · 30d
4→ 0%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 5 snapshots so far.
$0.56
Verified settled volume
46 settlements proven x402 by their on-chain EIP-3009 marker.
$0.010
Listed price
As published in the catalog. Always read the live 402 before paying.
4
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-08-13 20:35Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0xD0f5d2E48e67A265174593aCe2cd540337C1564aThe 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.
{
"error": "payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"sig": "g9TrVe9jqJSFq87ketExj5Me0_33DcOQbCcLK8HnE6g",
"name": "USD Coin",
"version": "2",
"expiresAt": 1789897642,
"invoiceId": "inv_QwEaceqSOU3Ei3Dg8RACIg"
},
"payTo": "0xD0f5d2E48e67A265174593aCe2cd540337C1564a",
"amount": "10000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 60
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"sig": "MlczcAMoWKb7w009PcL0RI6LgZm4yPsZY5ECNhpmv_U",
"name": "USD Coin",
"version": "2",
"expiresAt": 1789897642,
"invoiceId": "inv_wSTWDxJOYgxYT0fDYBtkBw"
},
"payTo": "0xD0f5d2E48e67A265174593aCe2cd540337C1564a",
"amount": "10000",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 60
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cc03d5c3359",
"extra": {
"sig": "Il_ZtTEFRQU7fP9T5gDFhgZbtEjxuByckUr2h1-byoA",
"name": "USD Coin",
"version": "2",
"expiresAt": 1789897642,
"invoiceId": "inv_uCSWU17GJ2936GlAwX2TEA"
},
"payTo": "0xD0f5d2E48e67A265174593aCe2cd540337C1564a",
"amount": "10000",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 60
},
{
"asset": "XRP",
"extra": {
"sig": "ET9FQlj1BRqKfp73t5AhhkL0eCuO4Ga0ojH5OFR9FkE",
"expiresAt": 1789897642,
"invoiceId": "inv_BefNR5qKmZc7X9bSQAYOnA"
},
"payTo": "rwV5T9Gnr5EBH9rJ2G4NABc4bun2XEkHaD",
"amount": "7207",
"scheme": "exact",
"network": "xrpl:0",
"maxTimeoutSeconds": 60
},
{
"asset": "RLUSD",
"extra": {
"sig": "vX8gmURya-ZP8Y3VnMd0HwXu6JlBHtwUQ7ZXkIUv0Z8",
"issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
"expiresAt": 1789897642,
"invoiceId": "inv_iLWxjOHWaf5JCpZQU2J0VA"
},
"payTo": "rwV5T9Gnr5EBH9rJ2G4NABc4bun2XEkHaD",
"amount": "0.01",
"scheme": "exact",
"network": "xrpl:0",
"maxTimeoutSeconds": 60
}
],
"resource": {
"url": "https://feed.scalpstream.com/yields",
"mimeType": "application/json",
"description": "ScalpStream crypto staking-and-interest yield feed (impersonal research publication). Requires request header X-Compliance-Attestation: not-sanctioned-party"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET"
},
"output": {
"type": "json",
"format": "application/json",
"example": {
"note": "Pay via x402 (HTTP 402) to receive the full ranked feed.",
"as_of": "2026-09-14T01:15:14Z",
"price": {
"usd": "0.01"
},
"sample": {
"top_pick": {
"grade": "A",
"symbol": "APXUSD"
},
"composition": {
"A": 11,
"B": 4,
"C": 1
},
"withheld_pending_payment": [
"every remaining ranked pool (the free sample names one)",
"APY, and its split into base yield versus token emissions",
"pool depth (TVL) — the risk adjustment behind the rating",
"the protocol and chain each pool runs on",
"the curated CeFi offers: platform, asset and advertised rate",
"the numeric score behind the letter rating"
],
"not_included_even_when_paid": "No trade plan at any price. The paid response is factual yield data — rates, tax-equivalent yields and the inputs behind the rating. It carries no entry, stop, target or position size, and no instruction to buy or sell anything."
},
"freshness": {
"rows": 20,
"board_hash": "09567930893cc9514f9a85a0de11b8ec",
"payload_hash": "59e0888bc602ed357ddfea83c20a9651"
},
"disclaimer": "This is an impersonal, general-circulation research feed for educational and informational purposes only. It is the same for every recipient and is not tailored to anyone's financial situation. It is NOT investment advice and NOT a recommendation to buy or sell any security or option. Options trading involves substantial risk of loss. Do your own research and consult a licensed professional before trading.",
"pick_count": 20,
"publication": "scalpstream-yields",
"operator_position_disclosure": "The operator actively trades securities named in this feed and may transact (including before, after, or contrary to any signal shown) at any time and without notice. Assume the operator holds a position in any name shown."
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"as_of": {
"type": "string"
},
"picks": {
"type": "object",
"required": [
"as_of",
"cefi_note",
"cefi_yields",
"disclaimer",
"kind",
"stablecoin_yields",
"staking_yields"
],
"properties": {
"kind": {
"type": "string"
},
"as_of": {
"type": "string"
},
"cefi_note": {
"type": "string"
},
"disclaimer": {
"type": "string"
},
"cefi_yields": {
"type": "array",
"items": {
"type": "object",
"required": [
"apy",
"asset",
"note",
"platform"
],
"properties": {
"apy": {
"type": "number"
},
"note": {
"type": "string"
},
"asset": {
"type": "string"
},
"platform": {
"type": "string"
}
}
}
},
"staking_yields": {
"type": "array",
"items": {
"type": "object",
"required": [
"apy",
"apy_base",
"chain",
"project",
"rating",
"score",
"symbol",
"tvl_usd"
],
"properties": {
"apy": {
"type": "number"
},
"chain": {
"type": "string"
},
"score": {
"type": "number"
},
"rating": {
"type": "string"
},
"symbol": {
"type": "string"
},
"project": {
"type": "string"
},
"tvl_usd": {
"type": "number"
},
"apy_base": {
"type": "number"
}
}
}
},
"stablecoin_yields": {
"type": "array",
"items": {
"type": "object",
"required": [
"apy",
"apy_base",
"chain",
"project",
"rating",
"score",
"symbol",
"tvl_usd"
],
"properties": {
"apy": {
"type": "number"
},
"chain": {
"type": "string"
},
"score": {
"type": "number"
},
"rating": {
"type": "string"
},
"symbol": {
"type": "string"
},
"project": {
"type": "string"
},
"tvl_usd": {
"type": "number"
},
"apy_base": {
"type": "number"
}
}
}
}
}
},
"receipt": {
"type": "string"
},
"disclaimer": {
"type": "string"
},
"pick_count": {
"type": "number"
},
"publication": {
"type": "string"
},
"operator_position_disclosure": {
"type": "string"
}
}
},
"description": "Crypto staking and interest yields, ranked: DeFi staking APY, stablecoin lending and savings rates, and liquidity-pool yields across both CeFi platforms and DeFi protocols. Risk-adjusted by pool depth (TVL) and base-versus-emission share, with A/B/C ratings. Where to earn interest or staking rewards on crypto and stablecoins. Impersonal research data — no plan, sizing, or verdict."
}
},
"x402Version": 2
}Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
0.01USDC≈ $0.01 USD
on Base · exact scheme
Pay 0.01 USDC on Base to 0xD0f5…1564a. The signed payment is good for 1 minute.
- Paid to
- 0xD0f5…1564a
- USD Coin contract
- 0x8335…02913
- Payment window
- 1 minute
- As published
- 10000 smallest units
10000units
on Arbitrum · exact scheme
That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.
- Paid to
- 0xD0f5…1564a
- Token contract
- 0xaf88…e5831
- Payment window
- 1 minute
10000units
on Polygon · exact scheme
That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.
- Paid to
- 0xD0f5…1564a
- Token contract
- 0x3c49…c3359
- Payment window
- 1 minute
9902units
on xrpl:0 · exact scheme
That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.
- Paid to
- rwV5T9…EkHaD
- Token contract
- XRP
- Payment window
- 1 minute
0.01units
on xrpl:0 · exact scheme
That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.
- Paid to
- rwV5T9…EkHaD
- Token contract
- RLUSD
- Payment window
- 1 minute
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"sig": "nQqC3pwJ7yJaJC07nlXO_oZd-EgX31Fqi25Z_mfvY4g",
"name": "USD Coin",
"version": "2",
"expiresAt": 1786653462,
"invoiceId": "inv_aPEz3JZACuVC-7cbAVw_Hw"
},
"payTo": "0xD0f5d2E48e67A265174593aCe2cd540337C1564a",
"amount": "10000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 60
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"sig": "Lj-JDnOcdDzS0BgAX-jOmLBXhhh79zAcd7d1_32RRI4",
"name": "USD Coin",
"version": "2",
"expiresAt": 1786653462,
"invoiceId": "inv_TlNUJT4oFkEObD5jxr7o8A"
},
"payTo": "0xD0f5d2E48e67A265174593aCe2cd540337C1564a",
"amount": "10000",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 60
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cc03d5c3359",
"extra": {
"sig": "QQvLGuCPvgRj8cOgoMiaAtMKV8mSyoMCSFxAdejU3a4",
"name": "USD Coin",
"version": "2",
"expiresAt": 1786653462,
"invoiceId": "inv_zC-RTQUbj2T_Hz5IPTKf6w"
},
"payTo": "0xD0f5d2E48e67A265174593aCe2cd540337C1564a",
"amount": "10000",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 60
},
{
"asset": "XRP",
"extra": {
"sig": "okde_sk2JrG-9xLNZZolyP_r3jW9FTX_yhbXwe4js0Q",
"expiresAt": 1786653462,
"invoiceId": "inv_y9cwnKP1KpPMieH_D3T7iw"
},
"payTo": "rwV5T9Gnr5EBH9rJ2G4NABc4bun2XEkHaD",
"amount": "9902",
"scheme": "exact",
"network": "xrpl:0",
"maxTimeoutSeconds": 60
},
{
"asset": "RLUSD",
"extra": {
"sig": "XFqY9dahSDUssqYP8y9ZX9HHScb-gXrJUvxS1N0zCe0",
"issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
"expiresAt": 1786653462,
"invoiceId": "inv_OyIvTlopCLZDWuQRynrrtg"
},
"payTo": "rwV5T9Gnr5EBH9rJ2G4NABc4bun2XEkHaD",
"amount": "0.01",
"scheme": "exact",
"network": "xrpl:0",
"maxTimeoutSeconds": 60
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET"
},
"output": {
"type": "json",
"format": "application/json",
"example": {
"note": "Pay via x402 (HTTP 402) to receive the full ranked feed.",
"as_of": "2026-08-13T20:35:03Z",
"price": {
"usd": "0.01"
},
"sample": {
"top_pick": {
"grade": "B",
"symbol": "SUSDAT"
},
"composition": {
"A": 9,
"B": 7
},
"withheld_pending_payment": [
"every remaining ranked pool (the free sample names one)",
"APY, and its split into base yield versus token emissions",
"pool depth (TVL) — the risk adjustment behind the rating",
"the protocol and chain each pool runs on",
"the curated CeFi offers: platform, asset and advertised rate",
"the numeric score behind the letter rating"
],
"not_included_even_when_paid": "No trade plan at any price. The paid response is factual yield data — rates, tax-equivalent yields and the inputs behind the rating. It carries no entry, stop, target or position size, and no instruction to buy or sell anything."
},
"freshness": {
"rows": 20,
"board_hash": "dee9ba0b648fee3c1e359b52faead467",
"payload_hash": "3f33001540590c9a5c4b08de662acfb0"
},
"disclaimer": "This is an impersonal, general-circulation research feed for educational and informational purposes only. It is the same for every recipient and is not tailored to anyone's financial situation. It is NOT investment advice and NOT a recommendation to buy or sell any security or option. Options trading involves substantial risk of loss. Do your own research and consult a licensed professional before trading.",
"pick_count": 20,
"publication": "scalpstream-yields",
"operator_position_disclosure": "The operator actively trades securities named in this feed and may transact (including before, after, or contrary to any signal shown) at any time and without notice. Assume the operator holds a position in any name shown."
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"as_of": {
"type": "string"
},
"picks": {
"type": "object",
"required": [
"as_of",
"cefi_note",
"cefi_yields",
"disclaimer",
"kind",
"stablecoin_yields",
"staking_yields"
],
"properties": {
"kind": {
"type": "string"
},
"as_of": {
"type": "string"
},
"cefi_note": {
"type": "string"
},
"disclaimer": {
"type": "string"
},
"cefi_yields": {
"type": "array",
"items": {
"type": "object",
"required": [
"apy",
"asset",
"note",
"platform"
],
"properties": {
"apy": {
"type": "number"
},
"note": {
"type": "string"
},
"asset": {
"type": "string"
},
"platform": {
"type": "string"
}
}
}
},
"staking_yields": {
"type": "array",
"items": {
"type": "object",
"required": [
"apy",
"apy_base",
"chain",
"project",
"rating",
"score",
"symbol",
"tvl_usd"
],
"properties": {
"apy": {
"type": "number"
},
"chain": {
"type": "string"
},
"score": {
"type": "number"
},
"rating": {
"type": "string"
},
"symbol": {
"type": "string"
},
"project": {
"type": "string"
},
"tvl_usd": {
"type": "number"
},
"apy_base": {
"type": "number"
}
}
}
},
"stablecoin_yields": {
"type": "array",
"items": {
"type": "object",
"required": [
"apy",
"apy_base",
"chain",
"project",
"rating",
"score",
"symbol",
"tvl_usd"
],
"properties": {
"apy": {
"type": "number"
},
"chain": {
"type": "string"
},
"score": {
"type": "number"
},
"rating": {
"type": "string"
},
"symbol": {
"type": "string"
},
"project": {
"type": "string"
},
"tvl_usd": {
"type": "number"
},
"apy_base": {
"type": "number"
}
}
}
}
}
},
"receipt": {
"type": "string"
},
"disclaimer": {
"type": "string"
},
"pick_count": {
"type": "number"
},
"publication": {
"type": "string"
},
"operator_position_disclosure": {
"type": "string"
}
}
},
"description": "Crypto staking and interest yields, ranked: DeFi staking APY, stablecoin lending and savings rates, and liquidity-pool yields across both CeFi platforms and DeFi protocols. Risk-adjusted by pool depth (TVL) and base-versus-emission share, with A/B/C ratings. Where to earn interest or staking rewards on crypto and stablecoins. Impersonal research data — no plan, sizing, or verdict."
}
}Provenance
- Seen in the source catalog
- 2026-08-13 20:35Z
- Last indexed by Roundhouse
- 2026-08-28 13:00Z
- Last enriched (probe, favicon, geo)
- 2026-09-20 09:45Z
- 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
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 5 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.
Show the promptHide the prompt
Using Roundhouse, look up the x402 service feed.scalpstream.com 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=feed.scalpstream.com' 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://feed.scalpstream.com/yields, 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.