{"id":"0dccc829-56bc-48a5-b7e9-58e2be8b864d","shortId":"5Cy6hw","kind":"mpp","title":"Fund permanent carbon removal via Stripe Climate with per-call USDC payments.","tagline":"Fund permanent carbon removal via Stripe Climate with per-call USDC payments.","description":"Stripe Climate's contribution endpoint lets AI agents programmatically fund permanent carbon removal projects. You send a POST request with a JSON body specifying an amount in USDC cents (1–10000, i.e. $0.01–$100.00), and the endpoint returns a unique contribution ID along with a human-readable impact description (e.g. \"This contribution funds ~2.67kg of permanent carbon removal\"). Payment is handled via MPP (USDC on Tempo, eip155:42431) or x402 (USDC on Base, eip155:8453).\n\nThe flow follows standard MPP/x402 challenge-response: an initial POST returns 402 Payment Required with a WWW-Authenticate: Payment header containing a JWT challenge. The caller then retries with an Authorization: Payment proof=… header to complete the transaction. Stripe contributes 100% of funds toward carbon removal projects, minus third-party fees. Contributions are not tax deductible as Stripe is not a registered charity.\n\nThe endpoint accepts only POST requests (HEAD and GET return 405). The amount field must be an integer between 1 and 10000 cents. The OpenAPI spec documents a pricing range of $0.01–$100.00 per call, corresponding directly to the contribution amount chosen by the caller.","tags":["climate","carbon","sustainability","stripe"],"capabilities":["carbon-removal-contribution","mpp-payment","x402-payment","usdc-settlement","stripe-climate","post-only","json-api","per-call-pricing"],"categories":["climate","payments","sustainability"],"synonyms":["carbon removal API","carbon offset endpoint","Stripe Climate API","climate contribution","carbon credit purchase","permanent carbon removal","carbon sequestration funding"],"warnings":["Probe returned 405 on HEAD and GET — endpoint is POST-only; the MPP probe marked is_live=false but this is expected behavior for a POST-only route","No dedicated documentation page found (/docs returns 404)","Contributions are explicitly not tax deductible","Liveness not directly confirmed via probe; relying on landing page example and OpenAPI spec"],"endpointUrl":"https://climate.stripe.dev/api/contribute","protocol":"mpp","transport":"http","auth":{"type":"mpp","details":{"realm":"climate.stripe.dev","intent":"charge","method":"stripe","service_methods":{"tempo":{"assets":["0x20c000000000000000000000b9537d11c60e8b50"],"intents":["charge"]},"stripe":{"assets":["usd"],"intents":["charge"]}}}},"qualityScore":"0.780","qualityRationale":"Full OpenAPI 3.1 schema with request/response definitions, clear pricing range, and a working example on the landing page. The probe returned 405 on HEAD/GET (expected for a POST-only endpoint), so liveness via the standard MPP probe path wasn't confirmed, but the landing page demonstrates the 402 challenge-response flow. Docs pages return 404, limiting 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'1':56,189 '100':146 '100.00':60,202 '10000':57,191 '2.67':81 '402':116 '405':180 '42431':96 '8453':103 'Stripe Climate API' 'accept':172 'agent':34 'ai':33 'along':69 'amount':52,182,210 'authent':123 'author':136 'base':101 'bodi':49 'call':11,24,204 'caller':131,214 'carbon':3,16,38,85,150 'carbon credit purchase' 'carbon offset endpoint' 'carbon removal API' 'carbon sequestration funding' 'carbon-removal-contribution' 'cent':55,192 'challeng':110,129 'challenge-respons':109 'chariti':169 'chosen':211 'climat':7,20,28 'climate contribution' 'complet':141 'contain':126 'contribut':30,67,79,145,158,209 'correspond':205 'deduct':162 'descript':76 'direct':206 'document':196 'e.g':77 'eip155':95,102 'endpoint':31,63,171 'fee':157 'field':183 'flow':105 'follow':106 'fund':1,14,36,80,148 'get':178 'handl':89 'head':176 'header':125,139 'human':73 'human-read':72 'i.e':58 'id':68 'impact':75 'initi':113 'integ':187 'json':48 'json-api' 'jwt':128 'kg':82 'let':32 'minus':153 'mpp':91 'mpp-payment' 'mpp/x402':108 'must':184 'openapi':194 'parti':156 'payment':13,26,87,117,124,137 'per':10,23,203 'per-cal':9,22 'per-call-pricing' 'perman':2,15,37,84 'permanent carbon removal' 'post':44,114,174 'post-only' 'price':198 'programmat':35 'project':40,152 'proof':138 'rang':199 'readabl':74 'regist':168 'remov':4,17,39,86,151 'request':45,175 'requir':118 'respons':111 'retri':133 'return':64,115,179 'send':42 'spec':195 'specifi':50 'standard':107 'stripe':6,19,27,144,164 'stripe-climate' 'tax':161 'tempo':94 'third':155 'third-parti':154 'toward':149 'transact':143 'uniqu':66 'usdc':12,25,54,92,99 'usdc-settlement' 'via':5,18,90 'www':122 'www-authent':121 'x402':98 'x402-payment'","prices":[{"id":"7253b99b-ceca-481d-8383-30be9781fcd0","listingId":"0dccc829-56bc-48a5-b7e9-58e2be8b864d","amountUsd":null,"unit":"per_call","nativeCurrency":"USD","nativeAmount":null,"chain":null,"payTo":null,"paymentMethod":"mpp-stripe","isPrimary":true,"details":{"realm":"climate.stripe.dev","intent":"charge","method":"stripe","dynamic":true,"decimals":2,"unit_type":null,"amount_hint":"$0.01+","raw_payment":{"intent":"charge","method":"stripe","dynamic":true,"currency":"usd","decimals":2,"amountHint":"$0.01+","description":"Create a climate 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removal","contribution_id":"pi_1A2B3C4D5E6F"},"schema":{"path":"/api/contribute","method":"POST","payment":{"intent":"charge","method":"stripe","dynamic":true,"currency":"usd","decimals":2,"amountHint":"$0.01+","description":"Create a climate contribution"},"description":"Create a climate contribution"},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Stripe contributes 100% of funds towards carbon removal projects, minus any fees charged by third parties","source_url":"https://climate.stripe.dev"},{"claim":"Contributions are not tax deductible because Stripe is not a registered charity","source_url":"https://climate.stripe.dev"},{"claim":"Amount field must be an integer between 1 and 10000 (cents)","source_url":"https://climate.stripe.dev"},{"claim":"Supports MPP (USDC on Tempo eip155:42431) and x402 (USDC on Base eip155:8453) payment protocols","source_url":"https://climate.stripe.dev"},{"claim":"A 100-cent contribution funds approximately 2.67kg of permanent carbon removal","source_url":"https://climate.stripe.dev"}],"useCases":["AI agents autonomously offsetting carbon footprint of compute workloads","Embedding carbon removal contributions into automated workflows or pipelines","Programmatic micro-donations to permanent carbon removal projects","Building climate-positive agent behaviors that contribute on each task completion","Integrating carbon removal into e-commerce or SaaS checkout flows via agents"],"bestFor":["AI agents that want to programmatically fund carbon removal","Developers building climate-aware autonomous systems","Small to medium per-call contributions ($0.01–$100.00)"],"notFor":["Large bulk carbon credit purchases exceeding $100 per transaction","Tax-deductible charitable donation requirements","Non-USDC payment methods"],"kindDetails":{"docs":{"homepage":"https://climate.stripe.dev"},"tags":["climate","carbon","sustainability","stripe"],"realm":"climate.stripe.dev","status":"active","methods":{"tempo":{"assets":["0x20c000000000000000000000b9537d11c60e8b50"],"intents":["charge"]},"stripe":{"assets":["usd"],"intents":["charge"]}},"provider":{"url":"https://stripe.com/climate","name":"Stripe"},"categories":["web"],"service_id":"stripe-climate","integration":"first-party","service_name":"Stripe Climate","service_description":"Fund permanent carbon removal projects via Stripe Climate."},"updatedAt":"2026-04-22T01:15:15.577Z"}}