{ "x402Version": 2, "id": 3155, "slug": "3155", "resource": "https://macropulse.theaslangroupllc.com/api/macro/us", "description": "Official US macro data read straight from Chainlink contracts. No LLM, no API key. Answers \"what is US GDP growth\", \"current US inflation PCE\", \"what is SOFR today\", \"official US economic data\". 7 series: real GDP level+growth, PCE index+inflation, real final sales, SOFR. Six are BEA (Dept of Commerce) on Base, SOFR is NY Fed on Ethereum - we assemble both chains. Each value ships its contract + round ID: verify us on an immutable ledger.", "type": "http", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "10000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:8453", "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "10000", "maxTimeoutSeconds": 604900 }, { "scheme": "exact", "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp", "payTo": "985iFjbnGQ3dJcwXnfRCMSrH4Jnc3kW1N6msR64B5KX1", "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", "amount": "10000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:4663", "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc", "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168", "amount": "10000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:137", "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc", "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359", "amount": "10000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:42161", "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc", "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831", "amount": "10000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:480", "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc", "asset": "0x79A02482A880bCe3F13E09da970dC34dB4cD24D1", "amount": "10000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:143", "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc", "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603", "amount": "10000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:196", "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc", "asset": "0x779ded0c9e1022225f8e0630b35a9b54be713736", "amount": "10000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:999", "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc", "asset": "0xb88339CB7199b77E23DB6E890353E22632Ba630f", "amount": "10000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k", "payTo": "62A253YPATFNJCPRKID3FKD77MYJFNTVRYRP4B4JWG36EGLPY7UXFWGI7I", "asset": "31566704", "amount": "10000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "xrpl:0", "payTo": "rMnHeutYALco8RYFVcmuU4BCgSzBpPEh32", "asset": "XRP", "amount": "10000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "xrpl:0", "payTo": "rMnHeutYALco8RYFVcmuU4BCgSzBpPEh32", "asset": "524C555344000000000000000000000000000000", "amount": "0.01", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:56", "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc", "asset": "0x8d0D000Ee44948FC98c9B98A4FA4921476f08B0d", "amount": "10000000000000000", "maxTimeoutSeconds": 300 } ], "outputSchema": { "bazaar": { "info": { "input": { "method": "GET", "queryParams": { "series": "gdp_change,sofr" }, "type": "http" }, "output": { "errors": { "400": { "description": "Invalid or missing parameter(s). Returned before the payment gate on paid requests, so a malformed call is never charged. JSON body: { error: } plus usage hints.", "example": { "error": "invalid request" } }, "402": { "description": "Payment required — x402 v2 challenge; the accepts array lists scheme, network, and amount. Retry the same request with a PAYMENT-SIGNATURE (v2) or X-PAYMENT (v1) header. Verification is free." }, "500": { "description": "Unexpected server error. If a payment settled without a usable result, contact info@theaslangroupllc.com with the settlement tx hash for a re-run or credit.", "example": { "error": "upstream_failed" } } }, "example": { "deterministic": true, "series": [ { "as_of": "2026-06-25T12:32:41.000Z", "chain": "eip155:8453", "contract": "0xe0eda54fC1362C0d7d0ff855E4fCEA79916Fe094", "key": "gdp_change", "name": "Real GDP — Percent Change (Annual Rate)", "round_id": "36893488147419103237", "units": "percent, annualised rate", "value": 2.1 } ], "source": { "license": "public domain (US federal government work)", "transport": "Chainlink data feeds", "verifiable": true } }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "method": { "enum": [ "GET", "HEAD", "DELETE" ], "type": "string" }, "queryParams": { "properties": { "series": { "description": "Optional comma-separated filter. Any of: gdp_level, gdp_change, pce_level, pce_change, rfs_level, rfs_change, sofr. Omit for all seven.", "type": "string" } }, "type": "object" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method" ], "type": "object" }, "output": { "properties": { "errors": { "additionalProperties": { "properties": { "description": { "type": "string" }, "example": { "type": "object" } }, "required": [ "description" ], "type": "object" }, "description": "Documented error responses, keyed by HTTP status code", "type": "object" }, "example": { "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } }, "builder-code": { "info": { "a": "bc_gxy6qn5p" }, "schema": { "$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}$", "type": "string" } }, "type": "object" } }, "reconciliation": { "info": { "category": "Software > Data & APIs", "memo": "PulseNetwork MacroPulse /api/macro/us: pay-per-call data API, 1 request, USD 0.01. Seller: The Aslan Group LLC.", "receipt": { "format": "ISO 20022 camt.054-style XML+JSON, Ed25519-signed, deterministic", "obtain": "GET https://onchainpulse.theaslangroupllc.com/api/iso-receipt?tx=&chain= (x402, USD 0.05)", "verify": "https://onchainpulse.theaslangroupllc.com/verify.html" }, "seller": { "brand": "PulseNetwork", "catalog": "https://pulse.theaslangroupllc.com", "legal_name": "The Aslan Group LLC" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "category": { "type": "string" }, "memo": { "description": "Seller-provided reconciliation memo for this purchase. Pass it to your payment tool where one is accepted (e.g. the memo input of Ramp pay-with-x402).", "type": "string" }, "receipt": { "properties": { "format": { "type": "string" }, "obtain": { "type": "string" }, "verify": { "type": "string" } }, "type": "object" }, "seller": { "properties": { "brand": { "type": "string" }, "catalog": { "type": "string" }, "legal_name": { "type": "string" } }, "type": "object" } }, "required": [ "memo" ], "type": "object" } } }, "tags": [ "bazaar", "builder-code", "reconciliation" ], "sourceHost": "macropulse.theaslangroupllc.com", "lastUpdated": "2026-09-08T23:29:03.787Z", "quality": { "calls30d": 7, "uniquePayers30d": 4, "lastCalledAt": "2026-09-08T23:29:03.587Z" }, "liveness": {}, "verified": false, "featured": false, "provider": { "host": "macropulse.theaslangroupllc.com", "manifest_name": "macropulse.theaslangroupllc.com", "source": "cdp-mirror", "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "submitted_at": "2026-09-18T22:00:31.484Z" } }