2s
The (most) everything API: 575+ pay-per-call endpoints for AI agents — ground-truth data, a full AI gateway, and agent infrastructure (storage, queues, watchers). USDC via x402, no signup, no API keys, and upto billing: pay actual usage, not the quote.
The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
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-SIGNATURE required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5",
"amount": "7500",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 60
},
{
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"name": "USDC",
"version": "1",
"feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
},
"payTo": "TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn",
"amount": "7500",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 60
}
],
"resource": {
"url": "https://2s.io/api/vehicle/safety-ratings",
"tags": [
"public-records",
"identifiers",
"ai-agents",
"us-gov-data",
"x402",
"upto-billing",
"ai-gateway",
"agent-infrastructure"
],
"iconUrl": "https://2s.io/icon-512.png",
"mimeType": "application/json",
"description": "NHTSA NCAP 5-Star crash-test ratings for a US vehicle by (make, model, modelYear). Returns one item per crash-tested body style with the overall star rating, front/side/rollover sub-ratings, modeled rollover probability, crash-avoidance tech flags (electronic stability control, forward-collision warning, lane-departure warning), and complaint/recall/investigation counts. A vehicle with no crash testing returns an empty list (a valid result, not an error). Backed by NHTSA's public 5-Star Safety Ratings program; data is public-domain US government records.",
"serviceName": "2s"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"make": "xx",
"model": "example",
"modelYear": 1949
}
},
"output": {
"type": "json",
"schema": {
"type": "object",
"required": [
"ok",
"items",
"total",
"source"
],
"properties": {
"ok": {
"enum": [
true
],
"type": "boolean"
},
"meta": {
"type": "object",
"required": [
"query"
],
"properties": {
"query": {
"type": "object",
"required": [
"make",
"model",
"modelYear"
],
"properties": {
"make": {
"type": "string"
},
"model": {
"type": "string"
},
"modelYear": {
"type": "integer"
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"items": {
"type": "array",
"items": {
"type": "object",
"required": [
"vehicleId",
"vehicleDescription",
"overallRating",
"frontCrash",
"sideCrash",
"rollover",
"driverAssist",
"complaintsCount",
"recallsCount",
"investigationCount"
],
"properties": {
"rollover": {
"type": "object",
"required": [
"rating",
"possibility",
"dynamicTipResult"
],
"properties": {
"rating": {
"type": "number",
"nullable": true
},
"possibility": {
"type": "number",
"nullable": true
},
"dynamicTipResult": {
"type": "string",
"nullable": true
}
},
"additionalProperties": false
},
"sideCrash": {
"type": "object",
"required": [
"overall",
"driverSide",
"passengerSide",
"barrierOverall",
"poleRating"
],
"properties": {
"overall": {
"type": "number",
"nullable": true
},
"driverSide": {
"type": "number",
"nullable": true
},
"poleRating": {
"type": "number",
"nullable": true
},
"passengerSide": {
"type": "number",
"nullable": true
},
"barrierOverall": {
"type": "number",
"nullable": true
}
},
"additionalProperties": false
},
"vehicleId": {
"type": "integer"
},
"frontCrash": {
"type": "object",
"required": [
"overall",
"driverSide",
"passengerSide"
],
"properties": {
"overall": {
"type": "number",
"nullable": true
},
"driverSide": {
"type": "number",
"nullable": true
},
"passengerSide": {
"type": "number",
"nullable": true
}
},
"additionalProperties": false
},
"driverAssist": {
"type": "object",
"required": [
"electronicStabilityControl",
"forwardCollisionWarning",
"laneDepartureWarning"
],
"properties": {
"laneDepartureWarning": {
"type": "string",
"nullable": true
},
"forwardCollisionWarning": {
"type": "string",
"nullable": true
},
"electronicStabilityControl": {
"type": "string",
"nullable": true
}
},
"additionalProperties": false
},
"recallsCount": {
"type": "integer"
},
"overallRating": {
"type": "number",
"nullable": true
},
"complaintsCount": {
"type": "integer"
},
"investigationCount": {
"type": "integer"
},
"vehicleDescription": {
"type": "string"
}
},
"additionalProperties": false
}
},
"total": {
"type": "integer",
"nullable": true,
"description": "Total matching rows upstream; null when unknown."
},
"source": {
"type": "object",
"required": [
"provider",
"url",
"license"
],
"properties": {
"url": {
"type": "string"
},
"license": {
"type": "string"
},
"provider": {
"type": "string"
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"example": {
"ok": true,
"meta": {
"query": {
"make": "example",
"model": "example",
"modelYear": 1
}
},
"items": [
{
"rollover": {
"rating": 1,
"possibility": 1,
"dynamicTipResult": "example"
},
"sideCrash": {
"overall": 1,
"driverSide": 1,
"poleRating": 1,
"passengerSide": 1,
"barrierOverall": 1
},
"vehicleId": 1,
"frontCrash": {
"overall": 1,
"driverSide": 1,
"passengerSide": 1
},
"driverAssist": {
"laneDepartureWarning": "example",
"forwardCollisionWarning": "example",
"electronicStabilityControl": "example"
},
"recallsCount": 1,
"overallRating": 1,
"complaintsCount": 1,
"investigationCount": 1,
"vehicleDescription": "example"
}
],
"total": 1,
"source": {
"url": "example",
"license": "example",
"provider": "example"
}
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method",
"queryParams"
],
"properties": {
"type": {
"const": "http"
},
"method": {
"const": "GET"
},
"queryParams": {
"type": "object",
"required": [
"make",
"model",
"modelYear"
],
"properties": {
"make": {
"type": "string",
"maxLength": 40,
"minLength": 2,
"description": "Vehicle make. Examples: \"Honda\", \"Toyota\", \"Tesla\". Case-insensitive on NHTSA side."
},
"model": {
"type": "string",
"maxLength": 40,
"minLength": 1,
"description": "Vehicle model. Examples: \"Accord\", \"Model 3\", \"F-150\"."
},
"modelYear": {
"type": "integer",
"maximum": 2099,
"minimum": 1949,
"description": "4-digit model year. NCAP coverage is strongest from ~2011 onward."
}
},
"additionalProperties": false
}
}
},
"output": {
"type": "object",
"required": [
"ok",
"items",
"total",
"source"
],
"properties": {
"ok": {
"enum": [
true
],
"type": "boolean"
},
"meta": {
"type": "object",
"required": [
"query"
],
"properties": {
"query": {
"type": "object",
"required": [
"make",
"model",
"modelYear"
],
"properties": {
"make": {
"type": "string"
},
"model": {
"type": "string"
},
"modelYear": {
"type": "integer"
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"items": {
"type": "array",
"items": {
"type": "object",
"required": [
"vehicleId",
"vehicleDescription",
"overallRating",
"frontCrash",
"sideCrash",
"rollover",
"driverAssist",
"complaintsCount",
"recallsCount",
"investigationCount"
],
"properties": {
"rollover": {
"type": "object",
"required": [
"rating",
"possibility",
"dynamicTipResult"
],
"properties": {
"rating": {
"type": "number",
"nullable": true
},
"possibility": {
"type": "number",
"nullable": true
},
"dynamicTipResult": {
"type": "string",
"nullable": true
}
},
"additionalProperties": false
},
"sideCrash": {
"type": "object",
"required": [
"overall",
"driverSide",
"passengerSide",
"barrierOverall",
"poleRating"
],
"properties": {
"overall": {
"type": "number",
"nullable": true
},
"driverSide": {
"type": "number",
"nullable": true
},
"poleRating": {
"type": "number",
"nullable": true
},
"passengerSide": {
"type": "number",
"nullable": true
},
"barrierOverall": {
"type": "number",
"nullable": true
}
},
"additionalProperties": false
},
"vehicleId": {
"type": "integer"
},
"frontCrash": {
"type": "object",
"required": [
"overall",
"driverSide",
"passengerSide"
],
"properties": {
"overall": {
"type": "number",
"nullable": true
},
"driverSide": {
"type": "number",
"nullable": true
},
"passengerSide": {
"type": "number",
"nullable": true
}
},
"additionalProperties": false
},
"driverAssist": {
"type": "object",
"required": [
"electronicStabilityControl",
"forwardCollisionWarning",
"laneDepartureWarning"
],
"properties": {
"laneDepartureWarning": {
"type": "string",
"nullable": true
},
"forwardCollisionWarning": {
"type": "string",
"nullable": true
},
"electronicStabilityControl": {
"type": "string",
"nullable": true
}
},
"additionalProperties": false
},
"recallsCount": {
"type": "integer"
},
"overallRating": {
"type": "number",
"nullable": true
},
"complaintsCount": {
"type": "integer"
},
"investigationCount": {
"type": "integer"
},
"vehicleDescription": {
"type": "string"
}
},
"additionalProperties": false
}
},
"total": {
"type": "integer",
"nullable": true,
"description": "Total matching rows upstream; null when unknown."
},
"source": {
"type": "object",
"required": [
"provider",
"url",
"license"
],
"properties": {
"url": {
"type": "string"
},
"license": {
"type": "string"
},
"provider": {
"type": "string"
}
},
"additionalProperties": false
}
},
"additionalProperties": false
}
}
}
}
},
"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.
Pay 0.003 USDC on Base to 0x2b6D…C32C5. The signed payment is good for 1 minute.
- Paid to
- 0x2b6D…C32C5
- USD Coin contract
- 0x8335…02913
- Payment window
- 1 minute
- As published
- 3000 smallest units
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
- TW6nta…cyWhn
- Token contract
- EPjFWd…TDt1v
- Payment window
- 1 minute
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5",
"amount": "3000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 60
},
{
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"name": "USDC",
"version": "1",
"feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
},
"payTo": "TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn",
"amount": "3000",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 60
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"make": "xx",
"model": "example",
"modelYear": 1949
}
},
"output": {
"type": "json",
"schema": {
"type": "object",
"required": [
"ok",
"items",
"total",
"source"
],
"properties": {
"ok": {
"enum": [
true
],
"type": "boolean"
},
"meta": {
"type": "object",
"required": [
"query"
],
"properties": {
"query": {
"type": "object",
"required": [
"make",
"model",
"modelYear"
],
"properties": {
"make": {
"type": "string"
},
"model": {
"type": "string"
},
"modelYear": {
"type": "integer"
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"items": {
"type": "array",
"items": {
"type": "object",
"required": [
"vehicleId",
"vehicleDescription",
"overallRating",
"frontCrash",
"sideCrash",
"rollover",
"driverAssist",
"complaintsCount",
"recallsCount",
"investigationCount"
],
"properties": {
"rollover": {
"type": "object",
"required": [
"rating",
"possibility",
"dynamicTipResult"
],
"properties": {
"rating": {
"type": "number",
"nullable": true
},
"possibility": {
"type": "number",
"nullable": true
},
"dynamicTipResult": {
"type": "string",
"nullable": true
}
},
"additionalProperties": false
},
"sideCrash": {
"type": "object",
"required": [
"overall",
"driverSide",
"passengerSide",
"barrierOverall",
"poleRating"
],
"properties": {
"overall": {
"type": "number",
"nullable": true
},
"driverSide": {
"type": "number",
"nullable": true
},
"poleRating": {
"type": "number",
"nullable": true
},
"passengerSide": {
"type": "number",
"nullable": true
},
"barrierOverall": {
"type": "number",
"nullable": true
}
},
"additionalProperties": false
},
"vehicleId": {
"type": "integer"
},
"frontCrash": {
"type": "object",
"required": [
"overall",
"driverSide",
"passengerSide"
],
"properties": {
"overall": {
"type": "number",
"nullable": true
},
"driverSide": {
"type": "number",
"nullable": true
},
"passengerSide": {
"type": "number",
"nullable": true
}
},
"additionalProperties": false
},
"driverAssist": {
"type": "object",
"required": [
"electronicStabilityControl",
"forwardCollisionWarning",
"laneDepartureWarning"
],
"properties": {
"laneDepartureWarning": {
"type": "string",
"nullable": true
},
"forwardCollisionWarning": {
"type": "string",
"nullable": true
},
"electronicStabilityControl": {
"type": "string",
"nullable": true
}
},
"additionalProperties": false
},
"recallsCount": {
"type": "integer"
},
"overallRating": {
"type": "number",
"nullable": true
},
"complaintsCount": {
"type": "integer"
},
"investigationCount": {
"type": "integer"
},
"vehicleDescription": {
"type": "string"
}
},
"additionalProperties": false
}
},
"total": {
"type": "integer",
"nullable": true,
"description": "Total matching rows upstream; null when unknown."
},
"source": {
"type": "object",
"required": [
"provider",
"url",
"license"
],
"properties": {
"url": {
"type": "string"
},
"license": {
"type": "string"
},
"provider": {
"type": "string"
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"example": {
"ok": true,
"meta": {
"query": {
"make": "example",
"model": "example",
"modelYear": 1
}
},
"items": [
{
"rollover": {
"rating": 1,
"possibility": 1,
"dynamicTipResult": "example"
},
"sideCrash": {
"overall": 1,
"driverSide": 1,
"poleRating": 1,
"passengerSide": 1,
"barrierOverall": 1
},
"vehicleId": 1,
"frontCrash": {
"overall": 1,
"driverSide": 1,
"passengerSide": 1
},
"driverAssist": {
"laneDepartureWarning": "example",
"forwardCollisionWarning": "example",
"electronicStabilityControl": "example"
},
"recallsCount": 1,
"overallRating": 1,
"complaintsCount": 1,
"investigationCount": 1,
"vehicleDescription": "example"
}
],
"total": 1,
"source": {
"url": "example",
"license": "example",
"provider": "example"
}
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method",
"queryParams"
],
"properties": {
"type": {
"const": "http"
},
"method": {
"const": "GET"
},
"queryParams": {
"type": "object",
"required": [
"make",
"model",
"modelYear"
],
"properties": {
"make": {
"type": "string",
"maxLength": 40,
"minLength": 2,
"description": "Vehicle make. Examples: \"Honda\", \"Toyota\", \"Tesla\". Case-insensitive on NHTSA side."
},
"model": {
"type": "string",
"maxLength": 40,
"minLength": 1,
"description": "Vehicle model. Examples: \"Accord\", \"Model 3\", \"F-150\"."
},
"modelYear": {
"type": "integer",
"maximum": 2099,
"minimum": 1949,
"description": "4-digit model year. NCAP coverage is strongest from ~2011 onward."
}
},
"additionalProperties": false
}
}
}
}
}
}
}Provenance
- Seen in the source catalog
- 2026-06-17 21:45Z
- Last indexed by Roundhouse
- 2026-07-17 19:20Z
- Last enriched (probe, favicon, geo)
- 2026-09-21 11:45Z
- 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
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 2s 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=2s' 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://2s.io/api/vehicle/safety-ratings, 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.