AG
Utilities · x402 · early usage
ResearchPi: Check current SaaS headline plan prices, listed features and observed chang…
ResearchPi: Check current SaaS headline plan prices, listed features and observed changes for Linear, Supabase, Firecrawl or Clerk. Source URL, retrieval time, missing currency/terms and annual billing are explicit. Optional compare_to snapshot ID; first obse…
by agent-research-api.onrender.com · discovered, not yet claimed by its owner · updated 2026-09-20
30d calls1
30d payers1
MethodPOST
Outputjson
Mirrored from Coinbase's public x402 Bazaar. The description is the provider's own text and has not been reviewed here; the payment requirements are copied as published.
What it does
ResearchPi: Check current SaaS headline plan prices, listed features and observed changes for Linear, Supabase, Firecrawl or Clerk. Source URL, retrieval time, missing currency/terms and annual billing are explicit. Optional compare_to snapshot ID; first observation creates a baseline. No complete historical coverage, usage-cost estimate or checkout quote. Failed extraction is not settled. Supported products: GET /pricing-products.
Tags: bazaar · builder-code · eip2612GasSponsoring · erc20ApprovalGasSponsoring
Call contract
- Method
- POST
- Input
- json
- Output
- json
- Last paid call
- 2026-09-20
Input example from Bazaar metadata
{
"product": "linear"
}Output example
{
"billing": {
"amount_usdc": 0.02,
"mode": "production",
"status": "settled"
},
"cache_age_seconds": 0,
"conflicts": [],
"data": {
"comparison": {
"changes": [],
"previous_retrieved_at": null,
"previous_snapshot_id": null,
"status": "baseline_created"
},
"content_hash": "illustrative",
"coverage": "reviewed_headline_plans_only",
"history_scope": "observations_by_this_service; not a complete price history",
"language": "en",
"parser_version": "1",
"plans": [
{
"amount": 0,
"billing_commitment": "unknown",
"currency": null,
"currency_symbol": "$",
"evidence_quote": "Free $0 Free for everyone Unlimited members",
"features": [
"Unlimited members"
],
"name": "Free",
"price_kind": "free",
"price_period": null,
"retrieved_at": "2026-09-20T00:00:00Z",
"source_url": "https://linear.app/pricing",
"unit": null
}
],
"product": "linear",
"retrieved_at": "2026-09-20T00:00:00Z",
"snapshot_id": "11111111-1111-4111-8111-111111111111",
"source_url": "https://linear.app/pricing"
},
"missing_fields": [
"Free.currency",
"Free.unit",
"Free.price_period"
],
"request_id": "example-pricing-not-a-live-transaction",
"retrieved_at": "2026-09-20T00:00:00Z",
"schema_version": "1.0",
"sources": [
{
"retrieved_at": "2026-09-20T00:00:00Z",
"url": "https://linear.app/pricing"
}
],
"warnings": [
"Illustrative excerpt, not a live price quote or transaction."
]
}Use with an agent
- Discover. Agents find this listing with
GET https://bazaar.saylorinnovations.com/discovery/search?query=…, the MCP toolsearch_resources, or/discovery/resources. - Inspect. Fetch
/resources/40070.jsonfor the price and payment options. - Pay. Call
GET https://agent-research-api.onrender.com/v1/saas-pricing. The provider answers402with its payment requirements. An x402 client signs one of the options below and retries withPAYMENT-SIGNATURE. - Execute. The provider returns
200with the data. Agent Bazaar is not in the request path and never sees your payment.
For humans
You don't need an account or an API key; you need a wallet holding a small amount of USDC on Base, and an x402-capable client (see the examples below). Call the endpoint unpaid first to see exactly what it asks for.
Pricing & payment
- Price
- $0.02 / request
- Protocol
- x402 v2
- Auth
- No account or API key. Pay per request.
- Networks
- Base
- Demand
- 1 calls · 1 unique payers in 30d (public x402 Bazaar data)
x402 payment requirements
| Scheme | Network | Asset | Amount | Pay to | Timeout |
|---|---|---|---|---|---|
| exact | Base eip155:8453 | USDC | $0.02 | 0x9fb6eb8de033f81b89bfc6ac00ed2976815e400a | 300s |
accepts[] (raw JSON)
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x9fb6eb8de033f81b89bfc6ac00ed2976815e400a",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "20000",
"amountUsd": 0.02,
"maxTimeoutSeconds": 300
}
]Schemas
Output schema (JSON Schema)
{
"properties": {
"example": {
"properties": {
"billing": {
"properties": {
"amount_usdc": {
"minimum": 0,
"type": "number"
},
"mode": {
"enum": [
"local",
"staging",
"production"
]
},
"status": {
"enum": [
"settled",
"not_charged"
]
}
},
"required": [
"mode",
"status",
"amount_usdc"
],
"type": "object"
},
"cache_age_seconds": {
"minimum": 0,
"type": "integer"
},
"conflicts": {
"items": {
"properties": {
"evidence": {
"items": {
"properties": {
"evidence_type": {
"enum": [
"official_site_json_ld",
"official_site_meta_description",
"official_site_brand_metadata",
"official_site_logo"
],
"type": "string"
},
"retrieved_at": {
"format": "date-time",
"type": "string"
},
"source_url": {
"format": "uri",
"pattern": "^https://",
"type": "string"
},
"value": {
"type": "string"
}
},
"required": [
"value",
"source_url",
"evidence_type",
"retrieved_at"
],
"type": "object"
},
"type": "array"
},
"field": {
"type": "string"
}
},
"required": [
"field",
"evidence"
],
"type": "object"
},
"type": "array"
},
"data": {
"properties": {
"comparison": {
"properties": {
"changes": {
"items": {
"properties": {
"after": {},
"before": {},
"field": {
"type": "string"
},
"plan": {
"type": "string"
}
},
"required": [
"plan",
"field",
"before",
"after"
],
"type": "object"
},
"type": "array"
},
"previous_retrieved_at": {
"anyOf": [
{
"format": "date-time",
"type": "string"
},
{
"type": "null"
}
]
},
"previous_snapshot_id": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"status": {
"enum": [
"baseline_created",
"changed",
"unchanged",
"not_comparable"
]
}
},
"required": [
"status",
"previous_snapshot_id",
"previous_retrieved_at",
"changes"
],
"type": "object"
},
"content_hash": {
"type": "string"
},
"coverage": {
"type": "string"
},
"history_scope": {
"type": "string"
},
"language": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"parser_version": {
"type": "string"
},
"plans": {
"items": {
"properties": {
"amount": {
"anyOf": [
{
"minimum": 0,
"type": "number"
},
{
"type": "null"
}
]
},
"billing_commitment": {
"enum": [
"annual",
"monthly",
"unknown"
]
},
"currency": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"currency_symbol": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"evidence_quote": {
"maxLength": 1200,
"type": "string"
},
"features": {
"items": {
"type": "string"
},
"maxItems": 30,
"type": "array"
},
"name": {
"type": "string"
},
"price_kind": {
"enum": [
"free",
"fixed_display",
"starting_at",
"custom"
]
},
"price_period": {
"anyOf": [
{
"const": "month"
},
{
"type": "null"
}
]
},
"retrieved_at": {
"format": "date-time",
"type": "string"
},
"source_url": {
"format": "uri",
"pattern": "^https://",
"type": "string"
},
"unit": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
}
},
"required": [
"name",
"amount",
"currency",
"currency_symbol",
"price_period",
"billing_commitment",
"price_kind",
"unit",
"features",
"evidence_quote",
"source_url",
"retrieved_at"
],
"type": "object"
},
"maxItems": 20,
"minItems": 1,
"type": "array"
},
"product": {
"enum": [
"linear",
"supabase",
"firecrawl",
"clerk"
]
},
"retrieved_at": {
"format": "date-time",
"type": "string"
},
"snapshot_id": {
"format": "uuid",
"type": "string"
},
"source_url": {
"format": "uri",
"pattern": "^https://",
"type": "string"
}
},
"required": [
"snapshot_id",
"product",
"source_url",
"retrieved_at",
"language",
"parser_version",
"plans",
"content_hash",
"comparison",
"coverage",
"history_scope"
],
"type": "object"
},
"missing_fields": {
"items": {
"type": "string"
},
"type": "array"
},
"request_id": {
"type": "string"
},
"retrieved_at": {
"format": "date-time",
"type": "string"
},
"schema_version": {
"const": "1.0"
},
"sources": {
"items": {
"properties": {
"provider": {
"type": "string"
},
"retrieved_at": {
"format": "date-time",
"type": "string"
},
"url": {
"format": "uri",
"pattern": "^https://",
"type": "string"
}
},
"required": [
"retrieved_at"
],
"type": "object"
},
"type": "array"
},
"warnings": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"request_id",
"schema_version",
"data",
"sources",
"retrieved_at",
"missing_fields",
"conflicts",
"warnings",
"cache_age_seconds",
"billing"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}Example shape — generated from the schema, not a captured live response
{
"example": {
"billing": {
"amount_usdc": 0,
"mode": "local",
"status": "settled"
},
"cache_age_seconds": 0,
"conflicts": [
{
"evidence": [
{
"evidence_type": "official_site_json_ld",
"retrieved_at": "2026-01-01T00:00:00Z",
"source_url": "https://example.com",
"value": "string"
}
],
"field": "string"
}
],
"data": {
"comparison": {
"changes": [
{
"after": null,
"before": null,
"field": "string",
"plan": "string"
}
],
"previous_retrieved_at": null,
"previous_snapshot_id": null,
"status": "baseline_created"
},
"content_hash": "string",
"coverage": "string",
"history_scope": "string",
"language": null,
"parser_version": "string",
"plans": [
{
"amount": null,
"billing_commitment": "annual",
"currency": null,
"currency_symbol": null,
"evidence_quote": "string",
"features": [
"string"
],
"name": "string",
"price_kind": "free",
"price_period": null,
"retrieved_at": "2026-01-01T00:00:00Z",
"source_url": "https://example.com",
"unit": null
}
],
"product": "linear",
"retrieved_at": "2026-01-01T00:00:00Z",
"snapshot_id": "string",
"source_url": "https://example.com"
},
"missing_fields": [
"string"
],
"request_id": "string",
"retrieved_at": "2026-01-01T00:00:00Z",
"schema_version": null,
"sources": [
{
"provider": "string",
"retrieved_at": "2026-01-01T00:00:00Z",
"url": "https://example.com"
}
],
"warnings": [
"string"
]
},
"type": "string"
}Examples
curl
curl "https://agent-research-api.onrender.com/v1/saas-pricing"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paidJavaScript
const res = await fetch("https://agent-research-api.onrender.com/v1/saas-pricing");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://agent-research-api.onrender.com/v1/saas-pricing")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerDetails
- Provider
- agent-research-api.onrender.com
- Endpoint
- https://agent-research-api.onrender.com/v1/saas-pricing
- Machine-readable
/resources/40070.json