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Resource / 87
healthyOtto AI.
Quick pulse check from crypto Twitter. Breaking news, trending narratives, and sentiment shifts at a glance.
Payment requirements / accepts[]
5 options
| State | Network | Scheme | Atomic amount | Asset | payTo / untrusted |
|---|---|---|---|---|---|
| active | eip155:8453 | exact | 1000 | 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | 0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808 |
| active | eip155:8453 | exact | 1000 | 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | 0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808 |
| active | eip155:137 | exact | 1000 | 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 | 0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808 |
| active | eip155:137 | exact | 1000 | 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 | 0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808 |
| active | solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp | exact | 1000 | EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v | 6XcSfqJHr9vNW2vbiRaMqUYVm7shDgLepca54wUTDPN5 |
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 21:30:02 UTC GET · HTTP 402 · 107ms · accepts 5 · base 2 ok
Accepts snapshot
[
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"assetTransferMethod": null,
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"paymentFlow": null,
"raw": {
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"max_timeout_seconds": 300,
"network": "eip155:8453",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"pay_to": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"scheme": "exact"
},
"scheme": "exact"
},
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"assetTransferMethod": "permit2",
"extra": {
"assetTransferMethod": "permit2",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"paymentFlow": null,
"raw": {
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "permit2",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"max_timeout_seconds": 300,
"network": "eip155:8453",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"pay_to": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"scheme": "exact"
},
"scheme": "exact"
},
{
"amount": "1000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"assetTransferMethod": null,
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"paymentFlow": null,
"raw": {
"amount": "1000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"max_timeout_seconds": 300,
"network": "eip155:137",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"pay_to": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"scheme": "exact"
},
"scheme": "exact"
},
{
"amount": "1000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"assetTransferMethod": "permit2",
"extra": {
"assetTransferMethod": "permit2",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"paymentFlow": null,
"raw": {
"amount": "1000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"assetTransferMethod": "permit2",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"max_timeout_seconds": 300,
"network": "eip155:137",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"pay_to": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"scheme": "exact"
},
"scheme": "exact"
},
{
"amount": "1000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"assetTransferMethod": null,
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp",
"payTo": "6XcSfqJHr9vNW2vbiRaMqUYVm7shDgLepca54wUTDPN5",
"paymentFlow": null,
"raw": {
"amount": "1000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"maxTimeoutSeconds": 300,
"max_timeout_seconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6XcSfqJHr9vNW2vbiRaMqUYVm7shDgLepca54wUTDPN5",
"pay_to": "6XcSfqJHr9vNW2vbiRaMqUYVm7shDgLepca54wUTDPN5",
"scheme": "exact"
},
"scheme": "exact"
}
]
PaymentRequired raw
{
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "permit2",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"assetTransferMethod": "permit2",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6XcSfqJHr9vNW2vbiRaMqUYVm7shDgLepca54wUTDPN5",
"scheme": "exact"
}
],
"error": "Payment required",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {},
"type": "http"
},
"output": {
"example": {
"data": {
"digest": "Top KOL tweets summary...",
"timestamp": "2026-01-26T12:00:00Z"
},
"meta": {
"dataAsOf": "2026-08-10T07:45:00.000Z",
"degraded": false,
"generatedAt": "2026-08-10T12:00:00.000Z",
"sourceHealth": {
"twitter-summaries": "ok"
},
"stalenessSec": 2640
},
"status": "success"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"description": "Digest object on success, error string on failure"
},
"meta": {
"description": "Freshness. generatedAt = when we built this response. stalenessSec = age of our cached snapshot, absent on live pass-throughs. dataAsOf = vintage of the observations. degraded = an older good version was served.",
"properties": {
"dataAsOf": {
"description": "Vintage of the observations, as upstream declared it.",
"type": [
"string",
"null"
]
},
"degraded": {
"type": "boolean"
},
"generatedAt": {
"type": "string"
},
"sourceHealth": {
"type": "object"
},
"stalenessSec": {
"type": [
"number",
"null"
]
}
},
"required": [
"generatedAt",
"degraded",
"sourceHealth"
],
"type": "object"
},
"status": {
"enum": [
"success",
"failed"
],
"type": "string"
}
},
"required": [
"status",
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_hc2dhq09"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
},
"offer-receipt": {
"info": {
"offers": [
{
"acceptIndex": 0,
"format": "eip712",
"payload": {
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"network": "eip155:8453",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"resourceUrl": "https://x402.ottoai.services/twitter-summary",
"scheme": "exact",
"validUntil": 1786570502,
"version": 1
},
"signature": "0x390bd4f25ccb3003769179afbc0a302802b45f40298c6a15fcb503b66c6f1909486fd46b4abb66f516805e6cfb939b94fa9e9368a1853e37a5d661f740f517441b"
},
{
"acceptIndex": 1,
"format": "eip712",
"payload": {
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"network": "eip155:8453",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"resourceUrl": "https://x402.ottoai.services/twitter-summary",
"scheme": "exact",
"validUntil": 1786570502,
"version": 1
},
"signature": "0x390bd4f25ccb3003769179afbc0a302802b45f40298c6a15fcb503b66c6f1909486fd46b4abb66f516805e6cfb939b94fa9e9368a1853e37a5d661f740f517441b"
},
{
"acceptIndex": 2,
"format": "eip712",
"payload": {
"amount": "1000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"network": "eip155:137",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"resourceUrl": "https://x402.ottoai.services/twitter-summary",
"scheme": "exact",
"validUntil": 1786570502,
"version": 1
},
"signature": "0xea002ab675a411987e4a6b6da4c9598e1ab0f5e184709d75a4fb46572f4921f17077a538226f6dc724f8b188a75d8930796419953d55f2e04368e51a3d79f0f21c"
},
{
"acceptIndex": 3,
"format": "eip712",
"payload": {
"amount": "1000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"network": "eip155:137",
"payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808",
"resourceUrl": "https://x402.ottoai.services/twitter-summary",
"scheme": "exact",
"validUntil": 1786570502,
"version": 1
},
"signature": "0xea002ab675a411987e4a6b6da4c9598e1ab0f5e184709d75a4fb46572f4921f17077a538226f6dc724f8b188a75d8930796419953d55f2e04368e51a3d79f0f21c"
},
{
"acceptIndex": 4,
"format": "eip712",
"payload": {
"amount": "1000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6XcSfqJHr9vNW2vbiRaMqUYVm7shDgLepca54wUTDPN5",
"resourceUrl": "https://x402.ottoai.services/twitter-summary",
"scheme": "exact",
"validUntil": 1786570502,
"version": 1
},
"signature": "0x46f0cb35e08dac0733f57850b68cdfe13aa485bf32568a1442abf5e539b095492c9109876c4eb5784495129d5c5e96b81638cf3424adf2e52785811b76f1f9ca1b"
}
]
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"offers": {
"items": {
"properties": {
"acceptIndex": {
"type": "integer"
},
"format": {
"type": "string"
},
"payload": {
"properties": {
"amount": {
"type": "string"
},
"asset": {
"type": "string"
},
"network": {
"type": "string"
},
"payTo": {
"type": "string"
},
"resourceUrl": {
"type": "string"
},
"scheme": {
"type": "string"
},
"validUntil": {
"type": "integer"
},
"version": {
"type": "integer"
}
},
"required": [
"version",
"resourceUrl",
"scheme",
"network",
"asset",
"payTo",
"amount"
],
"type": "object"
},
"signature": {
"type": "string"
}
},
"required": [
"format",
"signature"
],
"type": "object"
},
"type": "array"
}
},
"required": [
"offers"
],
"type": "object"
}
},
"otto-content-receipt": {},
"sign-in-with-x": {
"info": {
"domain": "x402.ottoai.services",
"issuedAt": "2026-08-12T21:30:02.086Z",
"nonce": "433e76a163db6c0b7521609574cc2955",
"resources": [
"https://x402.ottoai.services/twitter-summary"
],
"statement": "Sign in to access Otto AI market intelligence",
"uri": "https://x402.ottoai.services/twitter-summary",
"version": "1"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"address": {
"type": "string"
},
"chainId": {
"type": "string"
},
"domain": {
"type": "string"
},
"expirationTime": {
"format": "date-time",
"type": "string"
},
"issuedAt": {
"format": "date-time",
"type": "string"
},
"nonce": {
"type": "string"
},
"notBefore": {
"format": "date-time",
"type": "string"
},
"requestId": {
"type": "string"
},
"resources": {
"items": {
"format": "uri",
"type": "string"
},
"type": "array"
},
"signature": {
"type": "string"
},
"statement": {
"type": "string"
},
"type": {
"type": "string"
},
"uri": {
"format": "uri",
"type": "string"
},
"version": {
"type": "string"
}
},
"required": [
"domain",
"address",
"uri",
"version",
"chainId",
"type",
"nonce",
"issuedAt",
"signature"
],
"type": "object"
},
"supportedChains": [
{
"chainId": "eip155:8453",
"type": "eip191"
},
{
"chainId": "eip155:137",
"type": "eip191"
},
{
"chainId": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"type": "ed25519"
}
]
}
},
"resource": {
"description": "Quick pulse check from crypto Twitter. Breaking news, trending narratives, and sentiment shifts at a glance.",
"iconUrl": "https://x402.ottoai.services/assets/otto-icon.png",
"mimeType": "application/json",
"serviceName": "Otto AI",
"tags": [
"crypto twitter",
"social sentiment",
"market pulse",
"tweet digest"
],
"url": "https://x402.ottoai.services/twitter-summary"
},
"x402Version": 2
}
Response headers
{
"access-control-allow-origin": "*",
"access-control-expose-headers": "PAYMENT-RESPONSE,PAYMENT-REQUIRED,PAYMENT-SIGNATURE,X-Payment-Response,WWW-Authenticate,X-Payment,X-Payment-Receipt",
"connection": "keep-alive",
"content-length": "650",
"content-type": "application/json; charset=utf-8",
"date": "Wed, 12 Aug 2026 21:30:02 GMT",
"etag": "W/\"28a-/e7oObZ9sKUN6EPInfgWZpAQtWY\"",
"payment-required": "{"x402Version":2,"error":"Payment required","resource":{"url":"https://x402.ottoai.services/twitter-summary","description":"Quick pulse check from crypto Twitter. Breaking news, trending narratives, and sentiment shifts at a glance.","mimeType":"application/json","serviceName":"Otto AI","tags":["crypto twitter","social sentiment","market pulse","tweet digest"],"iconUrl":"https://x402.ottoai.services/assets/otto-icon.png"},"accepts":[{"scheme":"exact","network":"eip155:8453","amount":"1000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}},{"scheme":"exact","network":"eip155:8453","amount":"1000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2","assetTransferMethod":"permit2"}},{"scheme":"exact","network":"eip155:137","amount":"1000","asset":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","payTo":"0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}},{"scheme":"exact","network":"eip155:137","amount":"1000","asset":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","payTo":"0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808","maxTimeoutSeconds":300,"extra":{"name":"USD 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KOL tweets summary...","timestamp":"2026-01-26T12:00:00Z"},"meta":{"generatedAt":"2026-08-10T12:00:00.000Z","degraded":false,"sourceHealth":{"twitter-summaries":"ok"},"dataAsOf":"2026-08-10T07:45:00.000Z","stalenessSec":2640}}}},"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"input":{"type":"object","properties":{"type":{"type":"string","const":"http"},"method":{"type":"string","enum":["GET"]},"queryParams":{"type":"object","properties":{}}},"required":["type","method"],"additionalProperties":false},"output":{"type":"object","properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"status":{"type":"string","enum":["success","failed"]},"data":{"description":"Digest object on success, error string on failure"},"meta":{"type":"object","description":"Freshness. generatedAt = when we built this response. stalenessSec = age of our cached snapshot, absent on live pass-throughs. dataAsOf = vintage of the observations. degraded = an older good version was served.","properties":{"generatedAt":{"type":"string"},"stalenessSec":{"type":["number","null"]},"degraded":{"type":"boolean"},"sourceHealth":{"type":"object"},"dataAsOf":{"type":["string","null"],"description":"Vintage of the observations, as upstream declared it."}},"required":["generatedAt","degraded","sourceHealth"]}},"required":["status","data","meta"]}},"required":["type"]}},"required":["input"]}}}}",
"server": "railway-hikari",
"vary": "accept-encoding",
"x-hikari-trace": "iad1.fp5t",
"x-powered-by": "Express",
"x-railway-edge": "iad1",
"x-railway-request-id": "0PkojHO0TCCV84eEEuroCg"
}
Response body
{
"contact": {
"email": "admin@useotto.xyz",
"feedback": "POST https://x402.ottoai.services/feedback ($0.001) -- money-back guarantee on Otto-recommended services and Full Auto; feature requests welcome (email/Telegram are free).",
"telegram": "https://t.me/DeFAI_Capital",
"twitter": "https://twitter.com/useOttoAI"
},
"docs": "https://docs.useotto.xyz/getting-started/agent-quickstart",
"error": "payment_required",
"hint": "This is a pay-per-call x402 endpoint. The price and payment options (networks, signed offers) are in the PAYMENT-REQUIRED response header (x402 v2). Pay with an x402 client, then retry to receive the data.",
"price": "$0.001",
"x402Version": 2
}
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": {
"data": {
"digest": "Top KOL tweets summary...",
"timestamp": "2026-01-26T12:00:00Z"
},
"meta": {
"dataAsOf": "2026-08-10T07:45:00.000Z",
"degraded": false,
"generatedAt": "2026-08-10T12:00:00.000Z",
"sourceHealth": {
"twitter-summaries": "ok"
},
"stalenessSec": 2640
},
"status": "success"
},
"type": "json"
}