0
💰 Paid API
data
Zapper
public.zapper.xyz
· public.zapper.xyz
Portfolio data, token balances, DeFi positions
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Trust score
19/100
grade F · 9 criteria
Uptime
accumulating
3/5 probes
Revenue · 30d
$0.00
wallet active · no inflow
Usage · 7d
0
no recent activity
Card drift · 7d
changed
0 snapshots tracked
Owner
unverified
claim this listing →
F
Conformance score: 19/100
F-grade: card is reachable but fails most operational signals.
click to expand breakdown ▾
click to collapse breakdown ▴
F
Conformance score: 19/100
F-grade: card is reachable but fails most operational signals.
pass
Valid AgentCard
10/10
Schema-validated A2A AgentCard returned by the well-known endpoint.
info
Live JSON-RPC
0/25
Live probe hasn't run yet.
fail
Protocol version
0/10
No protocolVersion in card.
How to earn +10 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` to the AgentCard root. Without it, callers can't negotiate v0.x vs v1.0 compatibility.
Docs →
info
JWS signature
0/10
Card is unsigned (most published agents are).
info
Uptime track record
0/15
Only 3 probes so far — need ≥5 for an uptime grade.
fail
Skill declaration
0/10
No skills declared in card. Hard to route to.
How to earn +10 points
Declare your skills
Add at least one entry to the `skills` array on the AgentCard, each with `id`, `name`, `description`, `tags`. We canonicalise these into the global skill taxonomy on next probe.
Docs →
partial
Verified Identity
5/10
Provider declared: public.zapper.xyz (https://public.zapper.xyz). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.
How to earn +5 points
Verify your domain ownership
Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.
Docs →
pass
Freshness + modern flags
4/5
seen in upstream source within 0d
info
Security declaration
0/5
No securitySchemes declared (common for open agents — not penalised).
⚠ Card drift detected — this agent's
agent-card.json changed within the last 7 days. We track these so downstream callers can react.
Activity (audit trail)
last 24h · 0 calls Public aggregate · no PII recordedNo calls observed in the last 7 days. Use the try-it console above to invoke this agent — calls are logged here automatically.
Uptime
33.3%
3 probes
Response
0ms
last probe
Skills
0
declared
Streaming
—
SSE-capable
Endpoints
| Agent card | https://public.zapper.xyz/.well-known/agent-card.json |
| Provider | https://public.zapper.xyz |
| Docs | https://public.zapper.xyz |
Discovered via
agentic_market
recrawl_hot
recrawl_warm
Health · last 2 probes
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Markdown / HTML snippets
[](https://agenstry.com/agents/public.zapper.xyz) [](https://agenstry.com/agents/public.zapper.xyz) [](https://agenstry.com/agents/public.zapper.xyz) [](https://agenstry.com/agents/public.zapper.xyz)
Audit-grade evidence bundle
JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against
our JWKS. See the methodology.
Raw agent card JSON
{
"_source": "agentic.market",
"service": {
"id": "public-zapper-xyz",
"name": "Zapper",
"description": "Portfolio data, token balances, DeFi positions",
"domain": "public.zapper.xyz",
"provider": "public.zapper.xyz",
"providerUrl": "https://public.zapper.xyz",
"category": "Data",
"networks": [
"Base"
],
"enriched": true,
"endpoints": [
{
"url": "https://public.zapper.xyz/x402/token-ranking",
"description": "Get a ranked list of tokens based on swap activity and velocity of adoption, optionally tailored for a farcaster user.",
"pricing": {
"amount": "0.0045",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "POST",
"providerName": "",
"parameters": [
{
"group": "body",
"name": "first",
"type": "number",
"description": "",
"example": 10,
"enumValues": [],
"default": null,
"required": false
}
]
},
{
"url": "https://public.zapper.xyz/x402/token-holders",
"description": "Get token holders with balances and identity information for a specific token.",
"pricing": {
"amount": "0.001125",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "POST",
"providerName": "",
"parameters": [
{
"group": "body",
"name": "address",
"type": "string",
"description": "",
"example": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"enumValues": [],
"default": null,
"required": false
},
{
"group": "body",
"name": "chainId",
"type": "number",
"description": "",
"example": 8453,
"enumValues": [],
"default": null,
"required": false
},
{
"group": "body",
"name": "first",
"type": "number",
"description": "",
"example": 10,
"enumValues": [],
"default": null,
"required": false
}
]
},
{
"url": "https://public.zapper.xyz/x402/transaction-details",
"description": "Get human-readable interpretation, metadata, and balance changes for a specific transaction.",
"pricing": {
"amount": "0.001125",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "POST",
"providerName": "",
"parameters": [
{
"group": "body",
"name": "chainId",
"type": "number",
"description": "",
"example": 1,
"enumValues": [],
"default": null,
"required": false
},
{
"group": "body",
"name": "hash",
"type": "string",
"description": "",
"example": "0x5c504ed432cb51138bcf09aa5e8a410dd4a1e204ef84bfed1be16dfba1b22060",
"enumValues": [],
"default": null,
"required": false
}
]
},
{
"url": "https://public.zapper.xyz/x402/defi-balances",
"description": "Get DeFi balances (Liquidity Pools, Yield Farming, Lending, etc.) for a single address, or a list of addresses.",
"pricing": {
"amount": "0.001125",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "POST",
"providerName": "",
"parameters": [
{
"group": "body",
"name": "addresses",
"type": "array",
"description": "",
"example": [],
"enumValues": [],
"default": null,
"required": false
},
{
"group": "body",
"name": "first",
"type": "number",
"description": "",
"example": 10,
"enumValues": [],
"default": null,
"required": false
}
]
},
{
"url": "https://public.zapper.xyz/x402/transaction-history",
"description": "Get transaction history with interpretations and metadata for a single address, or a list of addresses.",
"pricing": {
"amount": "0.001125",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "POST",
"providerName": "",
"parameters": [
{
"group": "body",
"name": "first",
"type": "number",
"description": "",
"example": 10,
"enumValues": [],
"default": null,
"required": false
},
{
"group": "body",
"name": "subjects",
"type": "array",
"description": "",
"example": [],
"enumValues": [],
"default": null,
"required": false
}
]
},
{
"url": "https://public.zapper.xyz/x402/portfolio-totals",
"description": "Get aggregated portfolio totals (Tokens, Apps, NFTs) broken down by network for a single address, or a list of addresses.",
"pricing": {
"amount": "0.001875",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "POST",
"providerName": "",
"parameters": [
{
"group": "body",
"name": "addresses",
"type": "array",
"description": "",
"example": [],
"enumValues": [],
"default": null,
"required": false
}
]
},
{
"url": "https://public.zapper.xyz/x402/search",
"description": "Search for ERC20 tokens, NFTs, Users, Apps, or Gas Tokens.",
"pricing": {
"amount": "0.0045",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "POST",
"providerName": "",
"parameters": [
{
"group": "body",
"name": "categories",
"type": "array",
"description": "",
"example": [],
"enumValues": [],
"default": null,
"required": false
},
{
"group": "body",
"name": "search",
"type": "string",
"description": "",
"example": "USDC",
"enumValues": [],
"default": null,
"required": false
}
]
},
{
"url": "https://public.zapper.xyz/x402/token-balances",
"description": "Get detailed token balances for a single address, or a list of addresses, optionally filtering by chain.",
"pricing": {
"amount": "0.001125",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "POST",
"providerName": "",
"parameters": [
{
"group": "body",
"name": "addresses",
"type": "array",
"description": "",
"example": [],
"enumValues": [],
"default": null,
"required": false
},
{
"group": "body",
"name": "first",
"type": "number",
"description": "",
"example": 10,
"enumValues": [],
"default": null,
"required": false
}
]
},
{
"url": "https://public.zapper.xyz/x402/general-swap-feed",
"description": "Get a real-time feed of swap activity across Farcaster, including token trades, volume, and social context.",
"pricing": {
"amount": "0.00375",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "POST",
"providerName": "",
"parameters": []
},
{
"url": "https://public.zapper.xyz/x402/token-activity-feed",
"description": "Get a combined activity feed for a specific token, including swaps and top Farcaster casts, personalized for a given user.",
"pricing": {
"amount": "0.00375",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "POST",
"providerName": "",
"parameters": [
{
"group": "body",
"name": "chainId",
"type": "number",
"description": "",
"example": 8453,
"enumValues": [],
"default": null,
"required": false
},
{
"group": "body",
"name": "tokenAddress",
"type": "string",
"description": "",
"example": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"enumValues": [],
"default": null,
"required": false
}
]
},
{
"url": "https://public.zapper.xyz/x402/nft-balances",
"description": "Get individual NFT balances and estimated values for a single address, or a list of addresses.",
"pricing": {
"amount": "0.001125",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "POST",
"providerName": "",
"parameters": [
{
"group": "body",
"name": "addresses",
"type": "array",
"description": "",
"example": [],
"enumValues": [],
"default": null,
"required": false
},
{
"group": "body",
"name": "first",
"type": "number",
"description": "",
"example": 10,
"enumValues": [],
"default": null,
"required": false
}
]
},
{
"url": "https://public.zapper.xyz/x402/token-price",
"description": "Get real-time token price and market cap",
"pricing": {
"amount": "0.001125",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "POST",
"providerName": "",
"parameters": [
{
"group": "body",
"name": "address",
"type": "string",
"description": "",
"example": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"enumValues": [],
"default": null,
"required": false
},
{
"group": "body",
"name": "chainId",
"type": "number",
"description": "",
"example": 8453,
"enumValues": [],
"default": null,
"required": false
}
]
},
{
"url": "https://public.zapper.xyz/x402/historical-token-price",
"description": "Get the price of a token at a specific point in time.",
"pricing": {
"amount": "0.001125",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "POST",
"providerName": "",
"parameters": [
{
"group": "body",
"name": "address",
"type": "string",
"description": "",
"example": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"enumValues": [],
"default": null,
"required": false
},
{
"group": "body",
"name": "chainId",
"type": "number",
"description": "",
"example": 8453,
"enumValues": [],
"default": null,
"required": false
},
{
"group": "body",
"name": "timestamp",
"type": "number",
"description": "",
"example": 1700000000000,
"enumValues": [],
"default": null,
"required": false
}
]
},
{
"url": "https://public.zapper.xyz/x402/nft-collection-metadata",
"description": "Get NFT collection data including market stats, holders, events, and a sample of NFTs.",
"pricing": {
"amount": "0.001125",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "POST",
"providerName": "",
"parameters": [
{
"group": "body",
"name": "collections",
"type": "array",
"description": "",
"example": [],
"enumValues": [],
"default": null,
"required": false
}
]
},
{
"url": "https://public.zapper.xyz/x402/nft-token-metadata",
"description": "Get detailed metadata, traits, media, and holder info for a specific NFT",
"pricing": {
"amount": "0.001125",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "POST",
"providerName": "",
"parameters": [
{
"group": "body",
"name": "chainId",
"type": "number",
"description": "",
"example": 8453,
"enumValues": [],
"default": null,
"required": false
},
{
"group": "body",
"name": "collectionAddress",
"type": "string",
"description": "",
"example": "0xa449b4f43d9a33fcdcf397b9cc7aa909012709fd",
"enumValues": [],
"default": null,
"required": false
},
{
"group": "body",
"name": "tokenId",
"type": "string",
"description": "",
"example": "1",
"enumValues": [],
"default": null,
"required": false
}
]
},
{
"url": "https://public.zapper.xyz/x402/account-identity",
"description": "Get social identity (ENS, Farcaster, Lens, Basenames) for a specific address.",
"pricing": {
"amount": "0.001125",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "POST",
"providerName": "",
"parameters": [
{
"group": "body",
"name": "address",
"type": "string",
"description": "",
"example": "0xd8da6bf26964af9d7eed9e03e53415d37aa96045",
"enumValues": [],
"default": null,
"required": false
}
]
},
{
"url": "https://public.zapper.xyz/x402/nft-ranking",
"description": "Get a ranked list of NFT collections based on rading activity and collection popularity, optionally tailored for a farcaster user.",
"pricing": {
"amount": "0.0045",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "POST",
"providerName": "",
"parameters": [
{
"group": "body",
"name": "first",
"type": "number",
"description": "",
"example": 10,
"enumValues": [],
"default": null,
"required": false
}
]
}
],
"integrationType": "1P",
"isNew": false,
"priceSummary": {
"minAmount": "0.001125",
"maxAmount": "0.0045",
"avgCostPerTransaction": "0.002074",
"avgCostBasis": "exact",
"currency": "USDC"
},
"serviceName": "",
"tags": []
}
}